Sexual intercourse

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intercourse, and other sexual behaviors – such as fondling a person's genitals without her or his consent, forced oral sex, and same-sex coercion – are not considered rape"; they stated that "although some other forms of forced sexual contact are included within the legal category of sodomy (e.g., anal penetration and oral-genital contact), many unwanted sexual contacts have no legal grounding as rape in some states". Ken Plumber argued that the legal meaning "of rape in most countries is unlawful sexual intercourse which means the penis must penetrate the vagina" and that "other forms of sexual violence towards women such as forced oral sex or anal intercourse, or the insertion of other objects into the vagina, constitute the 'less serious' crime of sexual assault".

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supported little or no relationship between self-esteem and sexual activity among adolescents. Scholar Lisa Arai stated, "The idea that early sexual activity and pregnancy is linked to low self-esteem became fashionable in the latter half of the 20th century, particularly in the US," adding that, "Yet, in a systematic review of the relationship between self-esteem and teenagers' sexual behaviours, attitudes and intentions (which analyzed findings from 38 publications) 62% of behavioral findings and 72% of the attitudinal findings exhibited no statistically significant associations (Goodson et al, 2006)." Studies that do find a link suggest that non-virgin boys have higher self-esteem than virgin boys and that girls who have low self-esteem and poor

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terms of its harm to others. It is said that a man breaks the precept if he has intercourse with women who are engaged, or who are still protected by any relative, or young girls not protected by a relative, Clearly, rape and incest are breaches of the precept." The Buddhist Canonical scriptures contain no other regulations or recommendations for lay people—for example, with regards homosexuality, masturbation, sexual practices and contraceptives. However, in keeping with the Buddhist ethical principles of not-harming and avoiding shame, guilt and remorse, socially taboo forms of sexuality as well as obsessive sexual activities can also be seen as being included in the third precept. Later Buddhist authors such as

1875:, addressed potential harm associated with familial sexual activity, such as resulting children born with deficiencies. However, the law is more concerned with protecting the rights of people who are potentially subjected to such abuse. This is why familial sexual relationships are criminalized, even if all parties are consensual. There are laws prohibiting all kinds of sexual activity between relatives, not necessarily penetrative sex. These laws refer to grandparents, parents, children, siblings, aunts and uncles. There are differences between states in terms of the severity of punishments and what they consider to be a relative, including biological parents, step-parents, adoptive parents and half-siblings. 351: 2056:) of some groups take a vow of celibacy, forsaking both marriage and any type of sexual or romantic activity. The Bible may be interpreted as endorsing penile-vaginal penetration as the only form of acceptable sexual activity, while other interpretations view the Bible as not being clear on oral sex or other particular sexual behaviors and that it is a personal decision as to whether oral sex is acceptable within marriage. Some sects consider the use of birth control to prevent sexual reproduction a grave sin against God and marriage, as they believe that the main purpose of marriage, or one of its primary purposes, is to produce children, while other sects do not hold such beliefs. 55: 1864:(FBI) still considered rape a crime solely committed by men against women. In 2012, they changed the meaning from "The carnal knowledge of a female forcibly and against her will" to "The penetration, no matter how slight, of the vagina or anus with any body part or object, or oral penetration by a sex organ of another person, without the consent of the victim." The meaning does not change federal or state criminal codes or impact charging and prosecution on the federal, state or local level, but instead assures that rape will be more accurately reported nationwide. In some instances, penetration is not required for the act to be categorized as rape. 1070:

vaginal intercourse was practiced more than insertive anal intercourse among men, but that 13% to 15% of men aged 25 to 49 practiced insertive anal intercourse. Receptive anal intercourse was infrequent among men, with approximately 7% of men aged 14 to 94 years old having said that they were a receptive partner during anal intercourse. The study said that fewer women reported engaging in anal sex than other partnered sexual behaviors. It was estimated that 10% to 14% of women aged 18 to 39 years old practiced anal sex in the past 90 days, and that most of the women who engage in anal sex said they practiced it once a month or a few times a year.

1672:), and that this is especially the case for men with a lower emotional and composite marital satisfaction. Other studies report that the lack of sexual intercourse does not significantly result in divorce, though it is commonly one of the various contributors to it. According to the 2010 National Survey of Sexual Health and Behavior (NSSHB), men whose most recent sexual encounter was with a relationship partner reported greater arousal, greater pleasure, fewer problems with erectile function, orgasm, and less pain during the event than men whose last sexual encounter was with a non-relationship partner. 1904: 14582: 2418: 807: 823: 1950:(engaging in sexual intercourse with someone other than one's spouse) has been, and remains, a criminal offense in some jurisdictions. Sexual intercourse between unmarried partners and cohabitation of an unmarried couple are also illegal in some jurisdictions. Conversely, in other countries, marriage is not required, socially or legally, in order to have sexual intercourse or to procreate (for example, the majority of births are outside of marriage in countries such as Iceland, Norway, Sweden, Denmark, Bulgaria, Estonia, Slovenia, France, Belgium). 1611:

crimes often remain underreported. There remains a lack of "dialogue around this population's human right to consensual sexual expression, undertreatment of menstrual disorders, and legal and systemic barriers". Women with intellectual disability may lack sexual health care and sex education. They may not recognize sexual abuse. Consensual sexual intercourse is not always an option for some. Those with intellectual disability may have limited knowledge and access to contraception, screening for sexually transmitted infections and cervical cancer.

733: 694: 598:(CDC) stated that "although there are only limited national data about how often adolescents engage in oral sex, some data suggest that many adolescents who engage in oral sex do not consider it to be 'sex'; therefore they may use oral sex as an option to experience sex while still, in their minds, remaining abstinent". Upton et al. stated, "It is possible that individuals who engage in oral sex, but do not consider it as 'sex', may not associate the acts with the potential health risks they can bring." In other cases, 1787: 1845: 12905: 1271:

HIV transmission as a result of oral sex is very difficult" and that this is "because most sexually active individuals practice oral sex in addition to other forms of sex, such as vaginal or anal sex, when transmission occurs, it is difficult to determine whether it occurred as a result of oral sex or other more risky sexual activities". They added that "several co-factors may increase the risk of HIV transmission through oral sex"; this includes ulcers,

1154:

unmarried teenage girls and 42% of American unmarried teenage boys have ever engaged in sexual intercourse. The CDC also reports that American girls will most likely lose their virginity to a boy who is 1 to 3 years older than they are. Between 1988 and 2002, the percentage of people in the U.S. who had sexual intercourse between the ages of 15 and 19 fell from 60 to 46 percent for never-married males, and from 51 to 46 percent for never-married females.

904:

pregnancy and live births for some couples trying to conceive such as those who have been trying for less than 12-months and who are under 40 years old, however, it is not clear from medical evidence if timed intercourse improves the rate of ultra-sound confirmed pregnancies and it is also not clear if timed intercourse has an effect on a person's level of stress or their quality of life. Studies have shown no significant difference between different

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and make more positive choices regarding sexual activity. Researchers state that long-term romantic relationships allow adolescents to gain the skills necessary for high-quality relationships later in life. Overall, positive romantic relationships among adolescents can result in long-term benefits. High-quality romantic relationships are associated with higher commitment in early adulthood, and are positively associated with social competence.

340: 1057:(NSSHB) indicated in 2010 that "1 of 4 acts of vaginal intercourse are condom-protected in the U.S. (1 in 3 among singles)," that "condom use is higher among black and Hispanic Americans than among white Americans and those from other racial groups," and that "adults using a condom for intercourse were just as likely to rate the sexual extent positively in terms of arousal, pleasure and orgasm than when having intercourse without one". 12494: 2289: 2688:

the penis as well as the female's clitoris and vaginal wall. The stimulation triggers rhythmic, involuntary contractions in smooth muscle in the male reproductive tract, especially the vas deferens and the prostate. The contractions rapidly force sperm out of each epididymis. They also force the contents of seminal vesicles and the prostate gland into the urethra. The resulting mixture, semen, is ejaculated into the vagina.

1401: 7402: 2270: 2077:(LDS Church) sexual relations within the bonds of matrimony are seen as sacred. Latter-day Saints consider sexual relations to be ordained of God for the creation of children and for the expression of love between husband and wife. Members are discouraged from having any sexual relations before marriage, and from being unfaithful to their spouses after marriage. 979:) and its sperm is deposited near the vagina's entrance and travels along the vagina's lubricating fluids; the risk of pregnancy can also occur without the penis being near the vagina because sperm may be transported to the vaginal opening by the vagina coming in contact with fingers or other non-genital body parts that have come in contact with semen. 1146:. The study considered China and Vietnam to also fall into this group, though data were not available. In northern and eastern European countries, age at sexual initiation was lower, with both men and women involved in sexual intercourse before any union formation; the study listed Switzerland, Germany and the Czech Republic as members of this group. 3284:

intercourse, and may think of themselves as virgins' Other research, especially research looking into virginity loss, reports that 35% of virgins, defined as people who have never engaged in vaginal intercourse, have nonetheless engaged in one or more other forms of heterosexual sexual activity (e.g., oral sex, anal sex, or mutual masturbation).

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engaged in vaginal intercourse, have nonetheless engaged in one or more other forms of heterosexual activity (e.g. oral sex, anal sex, or mutual masturbation). ... Data indicate that 'a very significant proportion of teens ha had experience with oral sex, even if they haven't had sexual intercourse, and may think of themselves as virgins'.

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1464:(ED) or impotence, at least occasionally. Premature ejaculation has been reported to be more common than erectile dysfunction, although some estimates suggest otherwise. Due to various meanings of the disorder, estimates for the prevalence of premature ejaculation vary significantly more than for erectile dysfunction. For example, the 1187:(also known as "the love hormone"), which can help people bond and build trust. Oxytocin is believed to have a more significant impact on women than on men, which may be why women associate sexual attraction or sexual activity with romance and love more than men do. A long-term study of 3,500 people between ages 18 and 102 by clinical 578:

activity", and have expressed concern that the "widespread, unquestioned equation of penile–vaginal intercourse with sex reflects a failure to examine systematically 'whether the respondent's understanding of the question matches what the researcher had in mind'". This focus can also relegate other forms of mutual sexual activity to

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prevalent sexual behavior among men and women of all ages and ethnicities". Clint E. Bruess et al. stated that it "is the most frequently studied behavior" and is "often the focus of sexuality education programming for youth." Weiten et al. said that it "is the most widely endorsed and practiced sexual act in our society."

1283:. Approximately 6 million U.S. women become pregnant per year. Out of known pregnancies, two-thirds result in live births and roughly 25% in abortions; the remainder end in miscarriage. However, many more women become pregnant and miscarry without even realizing it, instead mistaking the miscarriage for an unusually heavy 4750:, they nearly always mean sexual intercourse – more specifically, penile–vaginal intercourse... The widespread, unquestioned equation of penile–vaginal intercourse with sex reflects a failure to examine systematically 'whether the respondent's understanding of the question matches what the researcher had in mind.' 4605:, they nearly always mean sexual intercourse – more specifically, penile–vaginal intercourse... The widespread, unquestioned equation of penile–vaginal intercourse with sex reflects a failure to examine systematically 'whether the respondent's understanding of the question matches what the researcher had in mind.' 3861:, they nearly always mean sexual intercourse – more specifically, penile–vaginal intercourse... The widespread, unquestioned equation of penile–vaginal intercourse with sex reflects a failure to examine systematically 'whether the respondent's understanding of the question matches what the researcher had in mind.' 2544:, they nearly always mean sexual intercourse – more specifically, penile–vaginal intercourse. The widespread, unquestioned equation of penile–vaginal intercourse with sex reflects a failure to examine systematically 'whether the respondent's understanding of the question matches what the researcher had in mind.' 1388:(PE) is common, and women often require a substantially longer duration of stimulation with a sexual partner than men do before reaching an orgasm. Scholars, such as Weiten et al., state that "many couples are locked into the idea that orgasms should be achieved only through intercourse ," that "the word 2687:

Coitus and copulation are both technical terms for sexual intercourse. The male sex act involves an erection, in which the limp penis stiffens and lengthens. It also involves ejaculation, the forceful expulsion of semen into the urethra and out from the penis. During coitus, pelvic thrusts stimulate

2117:

views sex within marriage as something pleasurable, a spiritual activity, and a duty. In Shia Islam, men are allowed to marry upto four wives at a time with whom they can engage in sexual activities, including intercourse. Shia women are allowed to enter only one marriage at a time, whether temporary

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laws which set the minimum legal age with whom an older person may engage in sexual intercourse, usually set at 16 to 18, but ranges from 12 to 20, years of age. In some societies, an age of consent is set by non-statutory custom or tradition. Sex with a person under the age of consent, regardless of

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and sexual intercourse among adolescents, while other studies, from the 1980s and 1990s, reported that the research generally indicates little or no relationship between self-esteem and sexual activity among adolescents. By the 1990s, the evidence mostly supported the latter, and further research has

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cultures, such as clitoral stimulation usually being key for women to orgasm. The physical structure of coitus favors penile stimulation over clitoral stimulation; the location of the clitoris then usually necessitates manual or oral stimulation in order for the woman to achieve orgasm. Approximately

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says that this precept "relates primarily to the avoidance of causing suffering by one's sexual behaviour. Adultery—'going with the wife of another'—is the most straightforward breach of this precept. The wrongness of this is seen as partly in terms of its being an expression of greed, and partly in

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wrote, "All adolescents have sex lives, whether they are sexually active with others, with themselves, or seemingly not at all", and that viewing adolescent sexuality as a potentially positive experience, rather than as something inherently dangerous, may help young people develop healthier patterns

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Robert Francoeur et al. stated that "prior to the 1970s, rape definitions of sex often included only penile-vaginal sexual intercourse." Authors Pamela J. Kalbfleisch and Michael J. Cody stated that this made it so that if "sex means penile-vaginal intercourse, then rape means forced penile-vaginal

1721:

for children puts pressure on children and teenagers to act like adults before they are emotionally or cognitively ready. Some studies have concluded that engaging in sexual intercourse leaves adolescents, especially girls, with higher levels of stress and depression, and that girls may be likelier

1408:

In 1991, scholars from the Kinsey Institute stated, "The truth is that the time between penetration and ejaculation varies not only from man to man, but from one time to the next for the same man." They added that the appropriate length for sexual intercourse is the length of time it takes for both

1270:

In cases where infection is suspected, early medical intervention is highly beneficial in all cases. The CDC stated "the risk of HIV transmission from an infected partner through oral sex is much less than the risk of HIV transmission from anal or vaginal sex," but that "measuring the exact risk of

1250:

can also be transmitted through sexual contact. Globally, there are about 257 million chronic carriers of hepatitis B. HIV is one of the world's leading infectious killers; in 2010, approximately 30 million people were estimated to have died because of it since the beginning of the epidemic. Of the

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Most people agree that we maintain virginity as long as we refrain from sexual (vaginal) intercourse. ...But occasionally we hear people speak of 'technical virginity' ... Other research, especially research looking into virginity loss, reports that 35% of virgins, defined as people who have never

4334:

1965:

jurisdictions, author James G. Dwyer stated that no-fault divorce laws "have made it much easier for a woman to exit a marital relationship, and wives have obtained greater control over their bodies while in a marriage" because of legislative and judicial changes regarding the concept of a marital

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on sexual intercourse. Those with intellectual disabilities may have hesitations regarding the discussion of the topic of sex, a lack of sexual knowledge and limited opportunities for sex education. In addition there are other barriers such as a higher prevalence of sexual abuse and assault. These

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every one or two days, or every two or three days. Some people who are trying to conceive may choose to time vaginal intercourse with the fertile window, a practice that is sometimes called 'timed intercourse'. Timed intercourse using urine tests that predict ovulation may help improve the rate of

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for views on what constitutes virginity loss and therefore sexual intercourse or other sexual activity; source discusses how gay and lesbian individuals define virginity loss, and how the majority of researchers and heterosexuals define virginity loss/"technical virginity" by whether a person has

4412:

4274:

3874:

3218:

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report that the age of first sexual intercourse was 17.1 years for both males and females in 2010. The CDC stated that 45.5 percent of girls and 45.7 percent of boys had engaged in sexual activity by 19 in 2002; in 2011, reporting their research from 2006 to 2010, they stated that 43% of American

1069:

Regarding oral or anal intercourse, the CDC stated in 2009, "Studies indicate that oral sex is commonly practiced by sexually active male-female and same-gender couples of various ages, including adolescents." Oral sex is significantly more common than anal sex. The 2010 NSSHB study reported that

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methods that are practiced by heterosexual and same-sex couples, including non-penetrative sex acts, and heterosexual couples may use oral or anal sex (or both) as a means of birth control. However, pregnancy can still occur with anal sex or other forms of sexual activity if the penis is near the

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maintained that "In the beginning of married life the partners are drawn to each other by lust as well as love; but with conscious and deliberate cooperation they can gradually lessen the element of lust and increase the element of love. Through this process of sublimation, lust ultimately gives

1935:(which does not require a divorce process). Sexual relations between marriage partners have been a "marital right" in various societies and religions, both historically and in modern times, especially with regard to a husband's rights to his wife. Until the late 20th century, there was usually a 1109:

In the second group, the data indicated families encouraged daughters to delay marriage, and to abstain from sexual activity before that time. However, sons are encouraged to gain experience with older women or prostitutes before marriage. Age of men at sexual initiation in these societies is at

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ome sexual practices are regarded as inherently better (normal, natural, more satisfying) than others, with vaginal intercourse privileged as the 'Real Thing.' Such beliefs, influenced by views about sex as ultimately a reproductive function, continue to be perpetuated through discourses on sex

3821:

1468:

states, "Estimates vary, but as many as 1 out of 3 men may be affected by at some time." Further, "Masters and Johnson speculated that premature ejaculation is the most common sexual dysfunction, even though more men seek therapy for erectile difficulties" and that this is because "although an

1315:

is often considered an impulse control disorder or a behavioral addiction. It has been linked to atypical levels of dopamine, a neurotransmitter. This behavior is characterized by a fixation on sexual intercourse and disinhibition. It was proposed that this 'addictive behavior' be classified in

1065:

Penile–vaginal penetration is the most common form of sexual intercourse. Studies indicate that most heterosexual couples engage in vaginal intercourse nearly every sexual encounter. The National Survey of Sexual Health and Behavior (NSSHB) reported in 2010 that vaginal intercourse is "the most

943:

insemination, which involves the deposit of (usually) raw semen in the vagina of a woman, is in effect a substitute for intercourse and is often contrasted with 'normal intercourse' in this context. Reproductive methods also extend to gay and lesbian couples. For gay male pairings, there is the

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or because their sexual partners' health issues have hindered sexual intercourse. Some women express that their most satisfying sexual experiences entail being connected to someone, rather than solely basing satisfaction on orgasm. With regard to divorce, women are more likely to divorce their

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rate fell by 27 percent between 1990 and 2000, from 116.3 pregnancies per 1,000 girls aged 15–19 to 84.5. This data includes live births, abortions, and fetal losses. Almost 1 million American teenage women, 10% of all women aged 15–19 and 19% of those who report having had intercourse, become

577:

state that researchers also "rarely disclose" how they conceptualize sex "or even whether they resolved potential discrepancies" in conceptualizations of sex. Lerner and Steinberg attribute researchers' focus on penile–vaginal sex to "the larger culture's preoccupation with this form of sexual

1649:

so that male and female partners commonly do not know whether she is fertile at any given moment. One possible reason for this distinct biological feature may be formation of strong emotional bonds between sexual partners important for social interactions and, in the case of humans, long-term

1695:" effect (the newness or novelty of sexual intercourse with the partner), since sexual intercourse is usually practiced less the longer a couple is married, with couples engaging in sexual intercourse or other sexual activity once or twice a week, or approximately six to seven times a month. 1943:

which precluded a husband from being prosecuted under the rape law for forced sex with his wife. Author Oshisanya, 'lai Oshitokunbo stated, "As the legal status of women has changed, the concept of a married man's or woman's marital right to sexual intercourse has become less widely held."

1591:, and mobility impairment can hamper sexual intercourse, in many cases, the most significant impediments to sexual intercourse for individuals with a disability are psychological. In particular, people who have a disability can find sexual intercourse daunting due to issues involving their 3283:

Most people agree that we maintain virginity as long as we refrain from sexual (vaginal) intercourse. But occasionally we hear people speak of 'technical virginity' Data indicate that 'a very significant proportion of teens ha had experience with oral sex, even if they haven't had sexual

1444:

Vaginismus can be hard to overcome because if a woman expects to experience pain during sexual intercourse, this can cause a muscle spasm, which results in painful sexual intercourse. Treatment of vaginismus often includes both psychological and behavioral techniques, including the use of

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During coitus, the partners orient their hips to allow the penis to move back and forth in the vagina to cause friction, typically without fully removing the penis. In this way, they stimulate themselves and each other, often continuing until orgasm in either or both partners is achieved.

1802:

and governmental laws. Some governments and religions also have strict designations of what they consider appropriate and inappropriate sexual behavior, which include restrictions on the types of sex acts which are permissible. A historically prohibited or regulated sex act is anal sex.

7300:

Hughes, Sean M; Levy, Claire N; Calienes, Fernanda L; Martinez, Katie A; Selke, Stacy; Tapia, Kenneth; Chohan, Bhavna H; Oluoch, Lynda; Kiptinness, Catherine; Wald, Anna; Ghosh, Mimi; Hardy, Liselotte; Ngure, Kenneth; Mugo, Nelly R; Hladik, Florian; Roxby, Alison C (October 25, 2022).

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transmission by approximately 85–99% relative to risk when unprotected. Condoms are rarely used for oral sex and there is significantly less research on behaviors with regard to condom use for anal and oral sex. The most effective way to avoid sexually transmitted infections is to

1413:"found that 75 percent of men ejaculated within two minutes of penetration. But he didn't ask if the men or their partners considered two minutes mutually satisfying" and "more recent research reports slightly longer times for intercourse". A 2008 survey of Canadian and American 537:. One reason virginity loss is often based on penile–vaginal intercourse is because heterosexual couples may engage in anal or oral sex as a way of being sexually active while maintaining that they are virgins since they have not engaged in the reproductive act of coitus. Some 6519:

Noncoital forms of sexual intimacy, which have been called outercourse, can be a viable form of birth control. Outercourse includes all avenues of sexual intimacy other than penile–vaginal intercourse, including kissing, touching, mutual masturbation, and oral and anal

4363:

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curricula are available to educate adolescents about sexual activity; these programs are controversial, as debate exists as to whether teaching children and adolescents about sexual intercourse or other sexual activity should only be left up to parents or other

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is involuntary tensing of the pelvic floor musculature, making coitus, or any form of penetration of the vagina, distressing, painful and sometimes impossible for women. It is a conditioned reflex of the pubococcygeus muscle, and is sometimes referred to as the

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use is a factor, with some men stating that sexual activity involving the protection of a condom is not "real sex" or "the real thing". This view is common among men in Africa, where sexual activity involving the protection of a condom is often associated with

545:

or oral sex as a way of maintaining their virginities, with penile-anal penetration used as sexual intercourse and for virginity loss, while other gay men may consider frot or oral sex as their main forms of sexual activity. Lesbians may categorize oral sex or

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In 2005, the World Health Organization estimated that 123 million women become pregnant worldwide each year, and around 87 million of those pregnancies or 70.7% are unintentional. Approximately 46 million pregnancies per year reportedly end in induced

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Sexual intercourse. he term coitus indicates a specific act of sexual intercourse that also is known as coition or copulation. This 'coming together' is generally understood in heteronormative terms as the penetration of a woman's vagina by a man's

3540:

2577:

1638:. In many societies, it is normal for couples to have sexual intercourse while using some method of birth control, sharing pleasure and strengthening their emotional bond through sexual activity even though they are deliberately avoiding pregnancy. 1859:

Over time, the meaning of rape broadened in some parts of the world to include many types of sexual penetration, including anal intercourse, fellatio, cunnilingus, and penetration of the genitals or rectum by an inanimate object. Until 2012, the

593:

Studies regarding the meaning of sexual intercourse sometimes come into conflict. While most consider penile–vaginal intercourse to be sex, whether anal or oral intercourse are considered sex is more debatable, with oral sex ranking lowest. The

528:

Vaginal, anal and oral sex are recognized as sexual intercourse more often than other sexual behaviors. Sexual activity that does not involve penile-vaginal sex or other sexual penetration might be used to retain virginity (sometimes called

2401:

Bonobos, chimpanzees and dolphins are species known to engage in heterosexual behaviors even when the female is not in estrus, which is a point in her reproductive cycle suitable for successful impregnation. These species are also known to

3989:

In many cultures around the world, vaginal sex is what is usually implied when people refer to 'having sex' or 'sexual intercourse'. It is the most frequently studied behavior and is often the focus of sexuality education programming for

2764:

Most heterosexuals are familiar with the notion of 'having sex' or sexual intercourse as vaginal sex, the insertion of a penis into a vagina. Vaginal sex, or coitus, is the most common and popular form of intimate sexual activity between

2651:

In many cultures around the world, vaginal sex is what is usually implied when people refer to 'having sex' or 'sexual intercourse.' It is the most frequently studied behavior and is often the focus of sexuality education programming for

1320:

as an impulsive–compulsive behavioral disorder. Addiction to sexual intercourse is thought to be genetically linked. Those having an addiction to sexual intercourse have a higher response to visual sexual cues in the brain. Those seeking

1433:

25% of women report difficulties with orgasm, 10% of women have never had an orgasm, and 40% or 40–50% have either complained about sexual dissatisfaction or experienced difficulty becoming sexually aroused at some point in their lives.

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has been used to treat premature ejaculation. In clinical trials, those with PE who took dapoxetine experienced sexual intercourse three to four times longer before orgasm than without the drug. Another ejaculation-related disorder is

1229:

There are 19 million new cases of sexually transmitted infections every year in the U.S., and, in 2005, the World Health Organization (WHO) estimated that 448 million people aged 15–49 were infected per year with curable STIs (such as

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Schouten BW, Bohnen AM, Groeneveld FP, Dohle GR, Thomas S, Bosch JL (July 2010). "Erectile dysfunction in the community: trends over time in incidence, prevalence, GP consultation and medication use—the Krimpen study: trends in ED".

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Chin HB, Sipe TA, Elder R, Mercer SL, Chattopadhyay SK, Jacob V, Wethington HR, Kirby D, Elliston DB, Griffith M, Chuke SO, Briss SC, Ericksen I, Galbraith JS, Herbst JH, Johnson RL, Kraft JM, Noar SM, Romero LM, Santelli J (2012).

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The amount of time of sexual arousal needed to reach orgasm is variable — and usually much longer — in women than in men; thus, only 20–30% of women attain a coital climax. b. Many women (70–80%) require manual clitoral

2457:

Sexual intercourse most commonly means penile–vaginal penetration for sexual pleasure or sexual reproduction; dictionary sources state that it especially means this, and scholarly sources over the years agree. See, for example;

3014:

Although the term intercourse is usually used to refer to the insertion of the penis into the vagina, it is also used to refer to oral intercourse or anal intercourse in which the penis is inserted into the mouth or the anus,

408:, meaning "a coming together or joining together" or "to go together", and is known under different ancient Latin names for a variety of sexual activities, but usually denotes penile–vaginal penetration. This is often called 6659:"The Effectiveness of Group-Based Comprehensive Risk-Reduction and Abstinence Education Interventions to Prevent or Reduce the Risk of Adolescent Pregnancy, Human Immunodeficiency Virus, and Sexually Transmitted Infections" 1259:. The World Health Organization also stated that the "estimated 1.2 million Africans who died of HIV-related illnesses in 2010 comprised 69% of the global total of 1.8 million deaths attributable to the epidemic." It is 1191:

David Weeks indicated that, based on impartial ratings of the subjects' photographs, sex on a regular basis is associated with people looking significantly chronologically younger. However this does not imply causality.

716:

plays a significant role in sexual activity; 70–80% of women require direct clitoral stimulation to achieve orgasm, though indirect clitoral stimulation (for example, via vaginal intercourse) may also be sufficient (see

1797:

While sexual intercourse, as coitus, is the natural mode of reproduction for the human species, humans have intricate moral and ethical guidelines which regulate the practice of sexual intercourse and vary according to

1137:

are mentioned), age at sexual initiation was higher, suggesting later marriage and reciprocal valuing of male and female virginity. The same pattern of late marriage and reciprocal valuing of virginity was reflected in

4845:

Having started with a discussion of penile-vaginal intercourse as the act that designates sexual initiation, as defined in most studies, we would like to undercut that position by stressing the need to define sex more

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believe that sexual intercourse is the root of all sin and that all people should therefore be celibate, including married couples. The original Shaker community that peaked at 6,000 full members in 1840 dwindled to

1417:

stated that the average time for heterosexual intercourse (coitus) was 7 minutes and that 1 to 2 minutes was too short, 3 to 7 minutes was adequate and 7 to 13 minutes desirable, while 10 to 30 minutes was too long.

12081:. "Sexual intercourse is unnecessary for reproduction because the souls that enter the world during the first half of the Cycle are in possession of a special yogic power (yog bal) by which they conceive children." 729:, a technique combining the "riding high" variation of the missionary position with pressure-counterpressure movements performed by each partner in rhythm with sexual penetration, to maximize clitoral stimulation. 1886:

involving sexual activity between human and non-human animals, or a fixation on such practice. Human sexual activity with non-human animals is not outlawed in some jurisdictions, but it is illegal in others under

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estimated 15 percent to 20 percent of men experience difficulty controlling rapid ejaculation, most do not consider it a problem requiring help, and many women have difficulty expressing their sexual needs". The

1392:

suggests that any other form of sexual stimulation is merely preparation for the 'main event'" and that "because women reach orgasm through intercourse less consistently than men," they are likelier than men to

2006:, political, social, moral and religious issue in many nations, and the conflicts arise over whether same-sex couples should be allowed to enter into marriage, be required to use a different status (such as a 2203:

is the root of all evil and worse than murder. Purity (celibacy) is promoted for peace and to prepare for life in forthcoming Heaven on earth for 2,500 years when children will be created by the power of the

2059:

In the Roman Catholic Church, if a matrimonial celebration takes place (ratification), but the spouses have not yet engaged in intercourse (consummation), then the marriage is considered to be a marriage via

1508:

Sexual intercourse remains possible after major medical treatment of the reproductive organs and structures. This is especially true for women. Even after extensive gynecological surgical procedures (such as

5564:

Women rated clitoral stimulation as at least somewhat more important than vaginal stimulation in achieving orgasm; only about 20% indicated that they did not require additional clitoral stimulation during

1930:

of the marriage and citing marriage as the most appropriate union for sexual reproduction (procreation). In such cases, a failure for any reason to consummate the marriage would be considered a ground for

11220: 2154:) are to be fully dedicated towards this goal, they undertake the training rule of total abstinence from sexual intercourse, i.e. of celibacy. Other monastic training rules from the Code of Discipline ( 788:, vagina or anus for the purpose of sexual arousal and sexual stimulation; it may constitute the entire sexual encounter or it may be part of mutual masturbation, foreplay or other sexual activities. 1675:

For women, there is often a complaint about the lack of their spouses' sexual spontaneity. Decreased sexual activity among these women may be the result of their perceived failure to maintain ideal

1226:. Oral sex is less risky than vaginal or anal intercourse. Many times, STIs initially do not cause symptoms, increasing the risk of unknowingly passing the infection on to a sex partner or others. 316:. Like humans engaging in sexual activity primarily for pleasure, this behavior in these animals is also presumed to be for pleasure, and a contributing factor to strengthening their social bonds. 1424:

is regular difficulty reaching orgasm after ample sexual stimulation, causing personal distress. This is significantly more common in women than in men, which has been attributed to the lack of

1722:

to engage in sexual risk (such as sexual intercourse without the use of a condom), but it may be that further research is needed in these areas. In some countries, such as the United States,

8106:

Acute cardiac events were significantly associated with episodic physical and sexual activity; this association was attenuated among persons with high levels of habitual physical activity.

1841:

depending on differences in ages of the participants. Some countries treat any sex with a person of diminished or insufficient mental capacity to give consent, regardless of age, as rape.

2953:

In English, the term 'sex' is often used to mean 'sexual activity' and can cover a range of behaviours. Other languages and cultures use different terms, with slightly different meanings.

5143: 2048:

in some churches; in such cases, sexual intercourse may be called a sacred covenant, holy, or a holy sacrament between husband and wife. Historically, Christian teachings often promoted

1606:

also are subject to challenges in participating in sexual intercourse. This can include the lack of a knowledgeable healthcare provider trained and experienced in counseling those with

5339:

Pfaus J.G., Flanagan-Cato L.M., Blaustein J.D. (2015) Female sexual behavior. in Plant T., Zeleznik A. (Eds). Knobil and Neill's Physiology of Reproduction. Academic Press, 4th edition

10525: 1362:

when they engage in sexual intercourse or any vigorous physical exercise that is engaged in on a sporadic basis. Regular exercise reduces, but does not eliminate, the increased risk.

1082:

conducted a cross-cultural study titled "At what age do women and men have their first sexual intercourse?" In the first group of the contemporary cultures he studied, which included

758:; it most commonly means the insertion of a man's penis into another person's rectum, but may also mean the use of sex toys or fingers to penetrate the anus, or oral sex on the anus ( 2384:, males extrude sperm into secondary copulatory structures removed from their genital opening, which are then used to inseminate the female. In dragonflies, it is a set of modified 2380:

involves inducing the female to take up the sperm package into her genital opening, but there is no actual copulation. In groups that have reproduction similar to spiders, such as

1549:

and radiological cancer treatments and chemotherapy), coitus can continue. Reconstructive surgery remains an option for women who have experienced benign and malignant conditions.

939:, and the insemination is performed with the express intention of attempting to impregnate the female; to this extent, its purpose is the medical equivalent of sexual intercourse. 1691:

engage in sexual intercourse more often than married couples, and are more likely to participate in sexual activity outside of their sexual relationships; this may be due to the "

10051:

Madsen S., Collins W. A. (2005). Differential predictions of young adult romantic relationships from transitory vs. longer romantic experiences during adolescence. Presented at

1307:; consequently excessively frequent engagement in sexual activity on a regular (daily) basis can lead to the overexpression of ΔFosB, inducing an addiction to sexual activity. 2311:

have separate male and female sexes. Before mating and copulation, the male spider spins a small web and ejaculates on it. He then stores the sperm in reservoirs on his large

1488:

are available. However, doctors caution against the unnecessary use of these drugs because they are accompanied by serious risks such as increased chance of heart attack. The

11766: 10131:

Zimmer-Gembeck MJ, Siebenbruner J, Collins WA (2004). "A prospective study of intraindividual and peer influences on adolescents' heterosexual romantic and sexual behavior".

2040:, have strict views or rules on what sexual practices are and are not acceptable. Most Christian views on sexual intercourse are influenced by various interpretations of the 2162:

scriptures are to prevent masturbation, lustfully touching and speaking to members of the other sex, and other forms of sexual behaviour. Buddhist lay people undertake the

1098:), the data indicated that the age of men at sexual initiation in these societies is at later ages than that of women, but is often extra-marital; the study considered the 1133:

In the third group, age of men and women at sexual initiation was more closely matched; there were two sub-groups, however. In non-Latin, Catholic countries (Poland and

1599:, as alcohol can initially increase interest through disinhibition but decrease capacity with greater intake; however, disinhibition can vary depending on the culture. 11043: 1579:, hormonal imbalance, and drug treatment or side effects. Sexual functioning has been regularly identified as a neglected area of the quality of life in patients with 6180: 2138:

ethics, in its most general formulation, holds that one should neither be attached to nor crave sensual pleasure since it binds one to the cycle of birth and death,

586:. It may also be that conceptually conflating sexual activity with vaginal intercourse and sexual function hinders and limits information about sexual behavior that 8719: 8285:

Corty EW, Guardiani JM (2008). "Canadian and American Sex Therapists' Perceptions of Normal and Abnormal Ejaculatory Latencies: How Long Should Intercourse Last?".

3961:

Human sexual intercourse, or coitus, is one of the most common sexual outlets among adults. Sexual intercourse generally refers to penile penetration of the vagina.

2926: 2616:

Human sexual intercourse, or coitus, is one of the most common sexual outlets among adults. Sexual intercourse generally refers to penile penetration of the vagina.

3765: 12941: 10074:, Lang J. (2002). Forming and maintaining romantic relations from early adolescence to young adulthood: evidence of a developmental sequence. Presented at 19th 1713:

Adolescents commonly use sexual intercourse for relational and recreational purposes, which may negatively or positively impact their lives. For example, while

11228: 1977:, it was held that female same-sex sexual relations, and same-sex sexual practices in general, did not constitute sexual intercourse, based on a 1961 entry in 1969:

There are various legal positions regarding the meaning and legality of sexual intercourse between persons of the same sex or gender. For example, in the 2003

1354:

However, coital deaths are significantly rare. People, especially those who get little or no physical exercise, have a slightly increased risk of triggering a

10578: 6708: 2010:, which either grant equal rights as marriage or limited rights in comparison to marriage), or not have any such rights. A related issue is whether the word 2245:, religious leaders are expected to refrain from sexual intercourse in order to devote their full attention, energy, and loyalty to their religious duties. 7303:"Starting to have sexual intercourse is associated with increases in cervicovaginal immune mediators in young women: a prospective study and meta-analysis" 6707: 948:

pregnancy; for lesbian couples, there is donor insemination in addition to choosing surrogate pregnancy. Some women use artificial insemination to become

12169: 10064: 2002:

is largely based on the belief that sexual intercourse and sexual orientation should be of a heterosexual nature. The recognition of such marriages is a

5603:

Most women report the inability to achieve orgasm with vaginal intercourse and require direct clitoral stimulation ... About 20% have coital climaxes...

2237:

In some cases, the sexual intercourse between two people is seen as contrary to religious law or doctrine. In many religious communities, including the

773:

or anus. It is sometimes performed to the exclusion of all other forms of sexual activity, and may include the ingestion or absorption of semen (during

8470:

Inhibited female orgasm refers to a persistent delay or absence of orgasm after becoming aroused and excited. About 10% of women never reach orgasm...

6155: 4110: 2406:. In these animals, the use of sexual intercourse has evolved beyond reproduction to apparently serve additional social functions (such as bonding). 1079: 6712: 1042:(IUD) is the most common and effective way of reversible contraception. Conception and contraception are additionally a life-and-death situation in 14619: 5087:

Many men simply did not like the feel of condoms, or associated them with emasculation. They say, 'Unless it's flesh on flesh, it's not real sex...

11137: 1380:

Sexual intercourse, when involving a male participant, often ends when the male has ejaculated, and thus the partner might not have time to reach

15199: 2074: 1979: 1699:

also affects the frequency of sexual intercourse, as older people generally engage in sexual intercourse less frequently than younger people do.

12459: 267:

vary significantly between different religions and sects of the same religion, though there are common themes, such as prohibition of adultery.

15246: 6658: 6073:

Gibbons, Tatjana; Reavey, Jane; Georgiou, Ektoras X; Becker, Christian M (September 15, 2023). Cochrane Gynaecology and Fertility Group (ed.).

4185: 2966: 2816: 1453:

as a medical treatment for vaginismus has been tested and administered. Painful or uncomfortable sexual intercourse may also be categorized as

11167: 13312: 1829:

in most countries. More than 90% of rape victims are female, 99% of rapists male, and only about 5% of rapists are strangers to the victims.

1054: 192:, it also commonly denotes penetrative oral sex and penile–anal sex, especially the latter. It usually encompasses sexual penetration, while 919:

has sexual intercourse with a woman who is not his partner and for the sole purpose of impregnating the woman, this may be known as natural

15211: 13907: 8831: 6972: 6746: 2188:, with an emphasis on strong interpersonal ethics, do not place boundaries on the occurrence of sexual intercourse among consenting adults. 10551:

Roffee, J. A. (September 2014). "No Consensus on Incest? Criminalisation and Compatibility with the European Convention on Human Rights".

9568: 6122: 474:(WHO) states that non-English languages and cultures use different words for sexual activity, "with slightly different meanings". Various 14910: 13307: 12934: 12466: 10482: 7467: 5017: 10529: 13297: 10088:

Pearce MJ, Boergers J, Prinstein MJ (2002). "Adolescent obesity, overt and relational peer victimization, and romantic relationships".

7720: 7512: 7114: 7085: 7053: 5024: 595: 11073: 1987:. Some countries consider same-sex sexual behavior an offense punishable by imprisonment or execution; this is the case, for example, 11844:

Don S. Browning, Martha Christian Green, John Witte. Sex, marriage, and family in world religions. (2006) Columbia University Press.

11141: 10709: 14664: 14498: 12826: 10376: 8068:"Association of Episodic Physical and Sexual Activity With Triggering of Acute Cardiac Events. Systematic Review and Meta-analysis" 1587:

can also largely impact on the ability to engage in sexual intercourse. Although disability-related pain, including as a result of

11776: 7079:"Teenagers in the United States: Sexual Activity, Contraceptive Use, and Childbearing, 2006–2010 National Survey of Family Growth" 2392:, a structure formed from the terminal segments of the abdomen, to deposit sperm directly (though sometimes in a capsule called a 2307:

often means the process in which a male introduces sperm into the female's body, especially directly into her reproductive tract.

12610: 12526: 7648: 6846: 5386: 1167:

In humans, sexual intercourse and sexual activity in general have been reported as having health benefits as varied as increased

686:, the detection of pheromones is impaired and they have only residual effects. Non-primate females put themselves in the crucial 13186: 12927: 10907:

An Almanac of Contemporary Judicial Restatements (Criminal & Quasi Criminal Law & Procedure) vol. iii: Almanac vol. iii

10608:

Milner JS, Dopke CA (2008). "Paraphilia Not Otherwise Specified: Psychopathology and theory". In Laws DR, O'Donohue WT (eds.).

1489: 12453: 7682: 14552: 12428: 12390: 12352: 12314: 12280: 12242: 12211: 12157: 12054: 11819: 11742: 11704: 11660: 11622: 11588: 11544: 11506: 11465: 11427: 11381: 11306: 11265: 11114: 10994: 10956: 10915: 10881: 10843: 10805: 10764: 10723: 10685: 10654: 10625: 10592: 10509: 10425: 10384: 10303: 10265: 10224: 10029: 9986: 9945: 9904: 9863: 9825: 9784: 9753: 9705: 9661: 9620: 9582: 9540: 9495: 9454: 9411: 9370: 9192: 9150: 9113: 8906: 8874: 8808: 8770: 8631: 8593: 8548: 8463: 8427: 8380: 8342: 8262: 8218: 8172: 8136: 8038: 7492: 7461: 7434: 7367: 7277: 7240: 7202: 7161: 7026: 6941: 6822: 6791: 6628: 6590: 6505: 6467: 6380: 6307: 6269: 6231: 6045: 6007: 5900: 5862: 5821: 5783: 5714:

Hurlbert DF, Apt C (1995). "The coital alignment technique and directed masturbation: a comparative study on female orgasm".

5626: 5516: 5474: 5436: 5370: 5314: 5270: 5225: 5181: 5113: 5073: 4996: 4962: 4921: 4880: 4838: 4813: 4781: 4739: 4707: 4668: 4632: 4594: 4494: 4465: 4430: 4385: 4356: 4327: 4292: 4247: 4224: 3982: 3947: 3915: 3892: 3850: 3807: 3712: 3678: 3648: 3617: 3562: 3533: 3485: 3395: 3352: 3314: 3269: 3236: 3190: 3156: 3114: 3074: 3049: 3007: 2903: 2863: 2792: 2757: 2709: 2673: 2637: 2602: 2570: 2526: 1371: 1150: 11051: 5148: 2218:" This statement appears to allow one freedom to explore sensuality and pleasure, and mixed with the final maxim within the 1926:

Sexual intercourse has traditionally been considered an essential part of a marriage, with many religious customs requiring

873:. When a fertile ovum from the female is present in the fallopian tubes, the male gamete fertilizes the ovum, forming a new 15456: 14612: 10873: 10797: 7153: 6191: 3735: 1031: 1126:). The study considered many Asian societies to also fall into this group, although matching data was only available from 259:

beliefs also play a role in personal decisions about sexual intercourse or other sexual activity, such as decisions about

15154: 15149: 15144: 8730: 6895:"Findings from the National Survey of Sexual Health and Behavior, Centre for Sexual Health Promotion, Indiana University" 5716: 2937: 961: 7508: 931:, which are methods used to achieve pregnancy by artificial or partially artificial means. For artificial insemination, 176:

There are different views on what constitutes sexual intercourse or other sexual activity, which can impact on views of

11332: 10452: 2101:(literally, "her time"), which is one of the conditions he takes upon himself as part of the Jewish marriage contract, 826:"Coition of a Hemisected Man and Woman" (c. 1492), an interpretation of what happens inside the body during coitus, by 12476: 7746:"Sex, drugs, and rock 'n' roll: hypothesizing common mesolimbic activation as a function of reward gene polymorphisms" 1660:

and relationship dissolution, especially for men. Some research, however, indicates that general dissatisfaction with

15256: 14483: 13682: 12184: 12134: 12098: 12078: 12030: 12007: 11883: 11867: 11849: 11208: 10197: 10181: 9336: 6582: 1983:

that categorizes sexual intercourse as coitus; and thereby an accused wife in a divorce case was found not guilty of

888: 1505:; however, all SSRIs have ejaculation-delaying effects, and fluvoxamine has the least ejaculation-delaying effects. 14654: 13196: 12881: 12696: 10584: 8536:

Ferri's Clinical Advisor 2013,5 Books in 1, Expert Consult — Online and Print,1: Ferri's Clinical Advisor 2013

7714:"Estimated pregnancy rates for the United States, 1990–2000: An Update. National Vital Statistics Reports, 52 (23)" 928: 1634:

Sexual intercourse may be for reproductive, relational, or recreational purposes. It often plays a strong role in

590:

people may be engaging in, or information about heterosexuals who may be engaging in non–vaginal sexual activity.

54: 14605: 14535: 8726: 1861: 1470: 991: 209: 10326:

Reed, E. J. (1997). "Criminal Law and the Capacity of Mentally Retarded Persons to Consent to Sexual Activity".

15397: 15114: 15109: 14925: 14055: 13699: 13582: 12804: 12272: 12179:. Demythologizing Celibacy: Practical Wisdom from Christian and Buddhist Monasticism. (2008) Liturgical Press. 10986: 10216: 9105: 8762: 8488: 6933: 6899: 6714:

Workshop Summary: Scientific Evidence on Condom Effectiveness for Sexually Transmitted Disease (STD) Prevention

5302: 5140:

Time to deconstruct the concepts of "foreplay" and "intercourse": the real structure of human sexual encounters

3974: 2749: 2629: 2403: 1203: 313: 15298: 12340:

The Physiology of Insect Reproduction: International Series of Monographs in Pure and Applied Biology: Zoology

11336: 10793:

Religion and Sexual Health: Ethical, Theological, and Clinical Perspectives, Volume 1 of Theology and Medicine

1078:

The prevalence of sexual intercourse has been compared cross-culturally. In 2003, Michael Bozon of the French

439:

process, especially for non-human animals; it can mean a variety of sexual activities between opposite-sex or

350: 14881: 14354: 14017: 13746: 13457: 12861: 5105:

Adolescent Pregnancy Challenges in the Era of HIV and AIDS: A Case Study of a Selected Rural Area in Zimbabwe

3031: 2264: 1727: 995: 5936:"Day-specific probabilities of clinical pregnancy based on two studies with imperfect measures of ovulation" 2226:"—Wiccans are encouraged to be responsible with their sexual encounters, in whatever variety they may occur. 1595:

as a sexual being, or a partner's discomfort or perceived discomfort. Temporary difficulties can arise with

1583:. For those that must take opioids for pain control, sexual intercourse can become more difficult. Having a 15234: 14520: 14190: 14045: 13879: 13769: 13171: 12876: 12676: 12659: 11696: 10257: 10192:

Noelle N. R. Quenivet. Sexual Offenses in Armed Conflict & International Law. (2005) Hotei Publishing.

9574: 6620: 4624: 4518: 2028:

There are wide differences in religious views with regard to sexual intercourse in or outside of marriage:

1974: 15340: 9264:"Sexual and Reproductive Health Care for Women with Intellectual Disabilities: A Primary Care Perspective" 7383: 2799:

Vaginal intercourse (also referred to as sexual intercourse) involves inserting the penis into the vagina.

2723:

Vaginal intercourse (also referred to as sexual intercourse) involves inserting the penis into the vagina.

895:

time from some five days before until approximately one day after ovulation (this is sometimes called the

312:

are known to engage in sexual intercourse regardless of whether the female is in estrus, and to engage in

15461: 15446: 15229: 15159: 14819: 13864: 13562: 12605: 12600: 12595: 12590: 12519: 10948: 6747:"Effectiveness of male latex condoms in protecting against pregnancy and sexually transmitted infections" 6721: 6459: 5139: 4118: 2431: 1970: 1336: 1325:

will typically see a physician for pharmacological management and therapy. One form of hypersexuality is

769:

Oral sex consists of all the sexual activities that involve the use of the mouth and throat to stimulate

280:

may be introduced into the female's reproductive tract in non-vaginal ways among the animals, such as by

15419: 14898: 14893: 14299: 13851: 13466: 13378: 12814: 12654: 11692: 11200: 11145: 10715: 9362: 6973:"At what age do women and men have their first sexual intercourse? World comparisons and recent trends" 6150: 5538: 2216:

et worship be within the heart that rejoiceth; for behold, all acts of love and pleasure are rituals.

990:

are used as a form of safe sex and contraception. Condoms are widely recommended for the prevention of

940: 726: 46: 15387: 14757: 1014:

Decisions and options concerning birth control can be affected by cultural reasons, such as religion,

15204: 15189: 15066: 14025: 13731: 13709: 13365: 13156: 12644: 11536: 11298: 10407: 9142: 7656: 7626: 7597: 7579: 6750: 5999: 5813: 4212:

Pathways to Self-Discovery and Change: Criminal Conduct and Substance Abuse Treatment for Adolescents

4140:

Lara LS, Abdo CH (2016). "Age at Time of Initial Sexual Intercourse and Health of Adolescent Girls".

3789: 3636:

Pathways to Self-Discovery and Change: Criminal Conduct and Substance Abuse Treatment for Adolescents

2933: 2062: 1607: 1326: 1034:

are emphasized while disapproval is expressed with regard to other contraceptive methods. Worldwide,

999: 763: 471: 296:(the most fertile period of time in the female's reproductive cycle), which increases the chances of 15271: 15126: 14168: 14163: 12002:

Kenneth E. Bowers. God Speaks Again: An Introduction to the Baháʼí Faith. (2004) Baháʼí Publishing.

6330:

Berkowitz D, Marsiglio W (2007). "Gay Men: Negotiating Procreative, Father, and Family Identities".

5750: 5536:

Mah K, Binik YM (January 7, 2001). "The nature of human orgasm: a critical review of major trends".

4193: 2974: 2824: 2315:, from which he transfers sperm to the female's genitals. The females can store sperm indefinitely. 14972: 14530: 14103: 14050: 13373: 12585: 11175: 10756: 9612: 8866: 8800: 8540: 7426: 6783: 6686: 6372: 6299: 3182: 2196: 2108: 1748: 1558: 1252: 1246:; even if they do not, they increase the risk of both acquiring and passing on HIV up to ten-fold. 1035: 949: 428: 15166: 14933: 7854:"Natural and drug rewards act on common neural plasticity mechanisms with ΔFosB as a key mediator" 15261: 14636: 14628: 14542: 14515: 14369: 12866: 12382: 11986: 11970: 11807: 11685: 11373: 11257: 10677: 10478: 10173: 9817: 9532: 8693: 8128: 7958: 7618: 7138: 6754: 3344: 3338: 3306: 2483: 2258: 2167: 1717:

may be welcomed in some cultures, it is also commonly disparaged, and research suggests that the

1676: 1620: 1219: 976: 924: 866: 31: 6987: 5306: 3477: 1903: 1473:(AUA) estimates that premature ejaculation could affect 21 percent of men in the United States. 15221: 14866: 14844: 14777: 14767: 14762: 14586: 14471: 14467: 14457: 14173: 14007: 13997: 13206: 12782: 12777: 12573: 12568: 12512: 11580: 11457: 10069: 8534: 7575: 5028: 3933: 2588: 2423: 2323: 2319: 2185: 2053: 2023: 1799: 1777: 1696: 1653: 1522: 1264: 547: 297: 264: 146: 17: 15281: 12414: 12376: 12266: 12228: 11852: 11811: 11728: 11646: 11451: 11251: 10980: 10942: 10905: 10867: 10791: 10617: 10411: 10370: 10251: 10210: 9972: 9931: 9890: 9849: 9811: 9770: 9691: 9647: 9606: 9526: 9440: 9397: 9356: 9216: 9178: 9099: 8860: 8794: 8756: 8617: 8579: 8413: 8366: 8248: 8204: 8158: 8024: 7482: 7451: 7267: 7226: 7188: 7012: 7010: 6927: 6808: 6614: 6491: 6453: 6405:"Single Mothers by Choice: Mother–Child Relationships and Children's Psychological Adjustment" 6293: 6255: 6217: 6031: 5886: 5775: 5508: 5498: 5460: 5426: 5356: 5256: 5165: 5059: 4948: 4907: 4864: 4799: 4725: 4654: 4618: 4580: 4480: 4451: 4371: 4342: 4313: 4210: 3968: 3836: 3793: 3698: 3668: 3634: 3597: 3593: 3548: 3300: 3060: 3035: 2778: 2743: 2695: 2659: 2623: 2512: 736: 697: 690:

and remain motionless, but these motor copulatory reflexes are no longer functional in women.

367: 63: 15372: 14915: 14824: 14789: 14525: 14098: 14083: 14065: 13967: 13894: 13620: 13615: 13419: 13414: 13255: 13084: 12886: 12338: 12304: 11612: 11530: 11492: 11413: 11224: 10829: 10750: 10015: 9481: 8328: 8122: 7744:

Blum K, Werner T, Carnes S, Carnes P, Bowirrat A, Giordano J, Oscar-Berman M, Gold M (2012).

7147: 6576: 6366: 5807: 5616: 5215: 5103: 4760: 4756: 4546: 4513: 4409: 4405: 4271: 4267: 4062: 3871: 3867: 3739: 3731: 3381: 3215: 3211: 3176: 2211: 2085: 1892: 1385: 1322: 1260: 722: 701: 624: 620: 325: 15382: 15288: 14958: 12486: 11100: 10671: 9745: 9735: 7509:"STD Trends in the United States: 2010 National Data for Gonorrhea, Chlamydia, and Syphilis" 7108:"Teenagers in the United States: Sexual Activity, Contraceptive Use, and Childbearing, 2002" 5988: 5848: 2555: 15481: 15476: 15011: 14943: 14804: 14730: 14493: 14309: 14108: 13799: 13672: 13409: 12821: 12420: 12174: 10787: 9776: 9487: 9403: 8623: 8419: 8254: 8200: 8164: 7686: 5167: 4731: 4586: 3939: 3907: 3842: 3525: 3414: 2594: 2562: 2518: 2254: 1907: 1708: 1580: 1461: 1359: 1340: 1043: 683: 616: 272: 42: 35: 12919: 12203: 12197: 7713: 7107: 7078: 6711:; National Institutes of Health, Department of Health and Human Services (July 20, 2001). 5388:

Primate sexuality: Comparative studies of the Prosimians, Monkeys, Apes, and Human Beings.

2992: 2179: 2066:. Such a marriage, regardless of the reason for non-consummation, can be dissolved by the 8: 15357: 15345: 14809: 14794: 14686: 14676: 14659: 14649: 14547: 14398: 14381: 14336: 14200: 14158: 14113: 13839: 13610: 13572: 13259: 13176: 13147: 12718: 12686: 10366: 10328: 10144: 9978: 9896: 9653: 8837: 8210: 8022: 7562: 7263: 5854: 5504: 5135: 4773: 4422: 4284: 4083: 3884: 3704: 3554: 3517: 3228: 3106: 3041: 2888: 2550: 2436: 2359: 1992: 1958: 1646: 1603: 1572: 1542: 1498: 1272: 1099: 1039: 1027: 900: 862: 811: 806: 797: 652: 632: 530: 467: 444: 409: 344: 193: 102: 59: 15335: 15330: 15276: 6099: 6074: 3761: 3418: 2111:, sexual desire is not evil, but must be satisfied in the proper time, place and manner. 822: 15451: 15308: 14876: 14681: 14418: 14393: 14289: 14195: 14040: 14035: 14030: 13874: 13774: 13741: 13667: 13605: 13567: 13526: 13516: 13345: 13135: 12954: 12831: 12794: 12110: 11953: 11862:

Abdul Rahman bin Abdul Karim al-Sheha. Islamic Perspective of Sex (2003) Saudi Arabia.

11800: 11569: 10835: 10613: 10345: 10156: 10113: 9892:

Social Interactions in Adolescence and Promoting Positive Social Contributions of Youth

9298: 9263: 9244: 9072: 9039: 9015: 8982: 8958: 8923: 8510: 8483: 8199: 8092: 8067: 7997: 7962: 7935: 7902: 7878: 7853: 7822: 7797: 7770: 7745: 7660: 7541: 7329: 7302: 6876: 6557: 6429: 6404: 6347: 5682: 5295: 4721: 3832: 3700:

Animal Behavior Desk Reference: A Dictionary of Animal Behavior, Ecology, and Evolution

3473: 3466: 3141: 3099: 2848: 2508: 2462: 2274: 1718: 1501:, which can be caused as an unwanted side effect of antidepressant medications such as 1296: 1256: 1123: 1083: 801: 574: 424: 166: 158: 126: 14938: 11017: 5670: 5551: 1668:

with, erotically kissed or became romantically or sexually involved with another man (

1476:

For those whose impotence is caused by medical conditions, prescription drugs such as

113:. Sexual penetration has been known by humans since the dawn of time, and has been an 15471: 15377: 15241: 15071: 15058: 14871: 14851: 14772: 14691: 14671: 14488: 14413: 14210: 13982: 13972: 13884: 13869: 13824: 13819: 13784: 13491: 13450: 13201: 13166: 13115: 12836: 12622: 12551: 12424: 12386: 12348: 12310: 12276: 12238: 12207: 12180: 12153: 12130: 12094: 12074: 12050: 12026: 12003: 11945: 11879: 11863: 11845: 11815: 11738: 11700: 11656: 11618: 11584: 11540: 11502: 11461: 11423: 11377: 11302: 11261: 11204: 11110: 10990: 10952: 10938: 10911: 10877: 10839: 10801: 10760: 10719: 10681: 10650: 10621: 10588: 10505: 10421: 10380: 10299: 10261: 10220: 10193: 10177: 10148: 10105: 10025: 9982: 9941: 9900: 9859: 9821: 9780: 9749: 9741: 9701: 9657: 9616: 9578: 9536: 9491: 9450: 9407: 9366: 9332: 9303: 9285: 9248: 9236: 9188: 9146: 9109: 9077: 9059: 9020: 9002: 8963: 8945: 8902: 8870: 8804: 8766: 8675: 8671: 8627: 8589: 8575: 8544: 8515: 8501: 8459: 8423: 8376: 8338: 8302: 8298: 8258: 8214: 8168: 8132: 8097: 8034: 8002: 7984: 7940: 7922: 7883: 7827: 7813: 7775: 7488: 7457: 7430: 7363: 7334: 7273: 7236: 7198: 7157: 7022: 6937: 6868: 6818: 6787: 6678: 6624: 6586: 6549: 6545: 6501: 6463: 6434: 6376: 6343: 6303: 6265: 6227: 6223: 6104: 6041: 6003: 5965: 5957: 5896: 5858: 5817: 5779: 5764: 5733: 5674: 5632: 5622: 5594: 5555: 5512: 5496: 5470: 5432: 5366: 5362: 5310: 5266: 5221: 5177: 5109: 5069: 4992: 4958: 4917: 4876: 4834: 4809: 4777: 4735: 4717: 4703: 4664: 4628: 4590: 4490: 4461: 4426: 4381: 4352: 4323: 4288: 4243: 4220: 4216: 4189: 4165: 4157: 3978: 3943: 3911: 3888: 3846: 3828: 3803: 3708: 3674: 3644: 3640: 3613: 3558: 3529: 3481: 3461: 3438: 3430: 3391: 3348: 3310: 3265: 3232: 3186: 3152: 3110: 3070: 3045: 3003: 2970: 2899: 2859: 2820: 2788: 2753: 2705: 2669: 2633: 2598: 2566: 2522: 2504: 2377: 2132:

is considered as a normal activity that is necessary for a fulfilling and happy life.

1999: 1915: 1872: 1714: 1568: 1375: 1304: 1288: 1188: 1008: 827: 687: 570: 440: 208:, can mean any form of sexual activity. Because people can be at risk of contracting 162: 15293: 15006: 12471: 9768: 6894: 6880: 6561: 6351: 5686: 1684:

or various infidelities if they are in less cooperative or high-conflict marriages.

659:. It is also common for people to be as sexually satisfied by being kissed, touched 521:(Latin for "insertion of the penis"). The age of first sexual intercourse is called 165:

between two or more people and are usually used among humans solely for physical or

15350: 15076: 14989: 14905: 14839: 14750: 14644: 14581: 14508: 14272: 14118: 14073: 13977: 13912: 13713: 13694: 12980: 12789: 12671: 12234: 12090: 12018: 11937: 11771: 11409: 10646: 10560: 10337: 10249: 10160: 10140: 10097: 9937: 9855: 9809: 9697: 9446: 9328: 9293: 9275: 9228: 9067: 9051: 9010: 8994: 8953: 8935: 8667: 8505: 8497: 8484:"Sexual complaints, pelvic floor symptoms, and sexual distress in women over forty" 8455: 8372: 8294: 8087: 8079: 7992: 7974: 7930: 7914: 7873: 7869: 7865: 7817: 7809: 7765: 7757: 7690: 7359: 7324: 7314: 7232: 7194: 6858: 6814: 6670: 6541: 6497: 6424: 6416: 6339: 6094: 6090: 6086: 6037: 5947: 5931: 5892: 5759: 5725: 5666: 5586: 5547: 5466: 5262: 5211: 5173: 4872: 4805: 4699: 4660: 4457: 4348: 4319: 4149: 3929: 3609: 3503: 3422: 3387: 3261: 3148: 3066: 2895: 2855: 2784: 2701: 2665: 2584: 2417: 2097:, a married Jewish man is required to provide his wife with sexual pleasure called 1962: 1957:, the refusal to engage in sexual intercourse with one's spouse may give rise to a 1446: 1308: 587: 501: 252: 118: 15101: 15036: 14994: 12025:. A Chosen Faith: An Introduction to Unitarian Universalism. (1998) Beacon Press. 10117: 8573: 7269:

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on the second abdominal segment. In advanced groups of insects, the male uses its

582:

or contribute to them not being regarded as "real sex", and limits the meaning of

514: 15466: 15414: 15402: 14888: 14093: 13917: 13834: 13809: 13756: 13736: 13726: 13689: 13470: 13008: 12962: 12871: 12853: 12799: 12743: 11734: 11367: 11292: 11221:"PUBLIC AI Index: MDE 13/010/2008. UA 17/08 Fear of imminent execution/ flogging" 10641:

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O'Connell HE, Sanjeevan KV, Hutson JM (October 2005). "Anatomy of the clitoris".

4982: 4824: 4767: 4416: 4278: 4239: 4088: 4036: 4031: 4009: 4004: 3878: 3603: 3508: 3254: 3222: 2999: 2488: 2331: 2238: 1812: 1781: 1681: 1596: 1530: 1223: 1180: 1111: 1047: 972: 892: 815: 675: 500:, and the phrase "sleep together". The laws of some countries use the euphemism, 329: 98: 82: 15086: 14963: 14948: 9693:

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8754: 8407: 5694: 5401: 4865:"Measuring Sexual Quality of Life: Ten Recommendations for Health Psychologists" 1011:

from sexual intercourse, especially vaginal, anal, and oral sexual intercourse.

732: 693: 14267: 14128: 13987: 13962: 13952: 13829: 13814: 13764: 13677: 13557: 13496: 13092: 13013: 12627: 12042: 12022: 11498: 11419: 11363: 10176:

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The Marriage and Family Experience: Intimate Relationship in a Changing Society

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begins after the fertilized ovum is implanted in the lining of the uterus (the

858: 718: 679: 644: 270:

Reproductive sexual intercourse between non-human animals is more often called

248: 216:

practices are recommended by health professionals to reduce transmission risk.

154: 15409: 15318: 15251: 15171: 15136: 14977: 9232: 9055: 7918: 5729: 5590: 4446: 4308: 1871:

exists and is criminalized. James Roffee, a senior lecturer in criminology at

1786: 1404:

Painting of a couple (an Indian prince and lady) prolonging sexual intercourse

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11106: 10456: 9477: 9289: 9240: 9063: 9006: 8949: 8320: 8244: 8124:

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7988: 7926: 7683:"Get "In the Know": 20 Questions About Pregnancy, Contraception and Abortion" 7516: 7406: 7011:

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Wayne Weiten; Margaret A. Lloyd; Dana S. Dunn; Elizabeth Yost Hammer (2008).

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Natural human reproduction involves penile–vaginal penetration, during which

293: 188:

generally denotes penile–vaginal penetration and the possibility of creating

177: 170: 86: 15362: 15028: 12196:

Ruppert, E.E.; Fox, R.S. & Barnes, R.D. (2004). "Chelicerata: Araneae".

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Knoepp LR, Shippey SH, Chen CC, Cundiff GW, Derogatis LR, Handa VL (2010).

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Some studies from the 1970s through 1990s suggested an association between

1656:

due to the lack of sexual intercourse is associated with increased risk of

1592: 1564: 1538: 1514: 1510: 1355: 1284: 932: 920: 838: 628: 604: 466:

can be significantly broad in its meaning and may cover any penetrative or

448: 232: 15392: 15313: 15266: 15091: 14984: 14597: 10564: 9280: 8940: 8083: 6863: 5737: 3405:

Bailey NW, Zuk M (August 2009). "Same-sex sexual behavior and evolution".

2224:

26. Eight words the Wiccan Rede fulfill—an' it harm none, do what ye will.

1844: 1195:

Vaginal intercourse for the first time increases vaginal immune activity.

1114:

and Latin cultures (Portugal, Greece and Romania are noted) and such from

14799: 14718: 14708: 14703: 14476: 14408: 14364: 14329: 14319: 14220: 13957: 13652: 13630: 13530: 13404: 13399: 13130: 12483:

list of synonyms and slang words for sexual intercourse in many languages

12126: 11196: 11047: 10978: 9731: 8697: 7712:

Ventura, SJ; Abma, JC; Mosher, WD & Henshaw, S. (November 16, 2007).

6720:. Hyatt Dulles Airport, Herndon, Virginia. pp. 13–15. Archived from 6127: 5927: 2381: 2373: 2278: 2219: 2037: 2007: 1954: 1848: 1755: 1739: 1502: 1465: 1454: 1394: 1330: 1247: 1015: 916: 909: 882: 784:

Fingering involves the digital manipulation of the clitoris, rest of the

778: 740: 648: 561:

to denote penile–vaginal intercourse while using specific words, such as

451:

from a male to a female or sexual procreation between a man and a woman.

309: 228: 219:

Various jurisdictions place restrictions on certain sexual acts, such as

141:(penetration of the mouth by the penis or oral penetration of the female 114: 90: 15121: 12073:(Comparative Studies in Religion and Society). Oxford University Press. 12047:

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10453:"An Updated Definition of Rape (U.S. Dept of Justice, January 6, 2012)" 10349: 9562: 7979: 6420: 5844: 5352: 4523: 2362: 2229: 2155: 2125: 2044:. Sexual intercourse outside of marriage, for example, is considered a 1883: 1744: 1688: 1669: 1526: 1493: 1436: 1421: 1263:, and while no cure has been found, it can be controlled by management 1172: 1002:(WHO), correct and consistent use of latex condoms reduces the risk of 936: 842: 751: 475: 134: 122: 15323: 14953: 8998: 4693: 1811:

Sexual intercourse with a person against their will, or without their

1050:

in these countries could be prevented by effective contraception use.

15021: 14856: 14564: 14314: 14304: 14252: 14230: 14215: 14153: 14148: 13947: 13927: 13789: 13625: 13552: 13350: 13340: 13317: 13264: 13161: 13151: 13062: 13035: 13023: 12985: 12748: 12723: 12713: 12701: 11652: 11576: 11077: 10865: 10417: 9184: 9172: 8334: 8030: 7653:

The world health report 2005 – make every mother and child count

5771: 4988: 4954: 4913: 4830: 4486: 4377: 3799: 2385: 2351: 2182:, sexual relationships are permitted only between a husband and wife. 2172: 2151: 1932: 1911: 1879: 1747:

are more prone to risk-taking behaviors, such as unprotected sex and

1732: 1692: 1624: 1239: 1235: 1222:

by sexual contact, especially vaginal, anal, or oral intercourse, or

1215: 1143: 1139: 1134: 1046:, where one in three women give birth before age 20; however, 90% of 945: 878: 770: 759: 660: 551: 483: 355: 260: 256: 240: 213: 200:, but non-penetrative sex may also be considered sexual intercourse. 189: 142: 41:"Copulation" redirects here. For copulation among other animals, see 15194: 15181: 14999: 12493: 12226: 10831:

Conjugality: Marriage and Marriage-like Relationships Before the Law

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339: 14435: 14403: 14324: 14282: 14225: 14205: 14078: 13932: 13922: 13662: 13642: 13542: 13506: 13282: 13238: 13233: 13110: 13067: 13055: 13040: 12970: 12765: 12666: 12344: 11494:

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Same-sex marriage: the legal and psychological evolution in America

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An Introduction to Buddhist Ethics: Foundations, Values and Issues

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An Introduction to Buddhist Ethics: Foundations, Values and Issues

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God on Sex: The Creator's Ideas About Love, Intimacy, and Marriage

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Joseph A. Flaherty; John Marcell Davis; Philip G. Janicak (1993).

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to also fall into this group, though data was only available from

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Sexual intercourse or other sexual activity can encompass various

486:

are used for sexual intercourse or other sexual activity, such as

15303: 15041: 14834: 14559: 14430: 14359: 14242: 14178: 14133: 14123: 13937: 13899: 13635: 13483: 13322: 13218: 12733: 12706: 12374: 12071:

Redemptive Encounters: Three Modern Styles in the Hindu Tradition

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This article incorporates text from this source, which is in the

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Psychology Applied to Modern Life: Adjustment in the 21st Century

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Psychology Applied to Modern Life: Adjustment in the 21st Century

2335: 2300: 2242: 2147: 2143: 2139: 2103: 2094: 2080: 1961:, which may be listed under "grounds of abandonment". Concerning 1687:

Research additionally indicates that non-married couples who are

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face with regard to engaging in sexual intercourse include pain,

1485: 1091: 667: 636: 538: 359: 305: 10413:

Modern Homosexualities: Fragments of Lesbian and Gay Experiences

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