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Oligohydramnios

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298:(AFI) and the single deepest pocket (SDP) measuremen. An AFI of less than 5 cm or an SDP of less than 2 cm indicates oligohydramnios, and an AFI of 0 cm or an absent SDP indicates anhydramnios. In measuring the AFI, the sonographer measures the amniotic fluid in each of the four quadrants of the abdomen (right upper quadrant, left upper quadrant, right lower quadrant, left lower quadrant) and adds the values together. For reference, a normal AFI is 5–25 cm. An AFI <5 cm is considered oligohydramnios and an AFI >25 cm is considered polyhydramnios. Randomized control trials have shown that use of AFI can cause an increased number of false positive diagnosis of oligohydramnios and recommend using the measurement of a single deepest pocket (SDP) of amniotic fluid to diagnose oligohydramnios instead. 42: 74:(AFI) measures less than 5 cm or when the single deepest pocket (SDP) of amniotic fluid measures less than 2 cm. Amniotic fluid is necessary to allow for normal fetal movement, lung development, and cushioning from uterine compression. Low amniotic fluid can be attributed to a maternal, fetal, placental or idiopathic cause and can result in poor fetal outcomes including death. The prognosis of the fetus is dependent on the etiology, gestational age at diagnosis, and the severity of the oligohydramnios. 2466: 155:, anti-inflammatory steroids), and trastuzumab decrease blood flow to the kidneys of the fetus. When the fetal kidneys are not able to produce adequate amounts of urine, this leads to reduced amniotic fluid or oligohydramnios. Some medications, such as nimesulide and chemotherapeutic agents, have been linked to anhydramnios. 302:
a normal SDP is 2–8 cm. A SDP <2 cm is considered oligohydramnios and a SDP >8 cm is considered polyhydramnios. The use of a SDP for diagnosis of oligohydramnios is associated with less false positives and thus less unnecessary interventions without an increase in adverse perinatal outcomes.
376:, which is the insertion of 200 mL of saline into the amniotic sac. One study showed an improvement in fetal structure visibility by 26% (51% to 77% before and after the infusion respectively). There is also some low quality data that may indicate a potential benefit of amnioinfusion is to facilitate 301:
To calculate a single deepest pocket, the sonographer scans each of the four quadrants of the abdomen looking for the deepest pocket of amniotic fluid that does not include any fetal body parts or an umbilical cord. It is measured from the 12 o'clock position to the 6 o'clock position. For reference,
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Amniotic fluid is a clear, watery substance that surrounds the fetus. It helps to maintain a constant temperature around the fetus, cushion it from injury, and allows for proper fetal movement and organ development. The cause of anhydramnios is not always clear, but several factors can contribute to
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Sonographic evaluation of the fetus is done to identify fetal anomalies, aneuploidy, fetal growth restriction, or placental abnormalities. The National Institute of Health recommends detailed documentation of certain fetal organs that are most likely to be involved such as the kidneys, bladder, and
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The volume of amniotic fluid typically increases until 36 weeks and starts decreasing after 40 weeks in post-term gestations. For this reason, discrepancies between fundal height measurements and gestational age can be a clinical indication of amniotic fluid abnormality and should be evaluated by
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The prognosis of anhydramnios depends on the underlying cause and the severity of the condition. In general, the prognosis is poor for babies with anhydramnios caused by fetal renal abnormalities, with a high mortality rate. However, the prognosis is better for babies with anhydramnios caused by
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The amount of amniotic fluid available is based on how much fluid is produced and how much is removed from the amniotic sac. In the first trimester, the main sources of amniotic fluid are fetal lung secretions, transportation of maternal plasma across the fetal membranes, and the surface of the
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Atkinson, Meredith A.; Jelin, Eric B.; Baschat, Ahmet; Blumenfeld, Yair J.; Chmait, Ramen H.; O'Hare, Elizabeth; Moldenhauer, Julie S.; Zaretsky, Michael V.; Miller, Russell S.; Ruano, Rodrigo; Gonzalez, Juan M.; Johnson, Anthony; Mould, W. Andrew; Davis, Jonathan M.; Hanley, Daniel F. (2022).
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After initial diagnosis of oligohydramnios has been made, the next step is to perform a thorough history and physical exam, followed by diagnostic testing if indicated. Timely diagnosis and proper intervention for anhydramnios can significantly enhance the outlook for infants affected by this
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cause uteroplacental insufficiency. These conditions decrease the blood flow to vital organs such as the placenta which supplies blood, oxygen, and nutrients to the developing fetus. Decreased blood flow to the fetus causes impaired urine production which leads to reduced amniotic fluid and
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With early diagnosis and appropriate treatment, many babies with anhydramnios can be born healthy. However, the prognosis for babies with anhydramnios caused by fetal renal abnormalities remains poor. These babies may require long-term medical care and may have developmental disabilities.
1377: 223:(IUGR) associated with placental insufficiency. Insufficient fetal growth can result in reduced amniotic fluid volume. When the fetus is not growing appropriately, it may have a reduced ability to produce urine, which is a significant contributor to amniotic fluid. 1374: 716: 482:
is a condition caused by oligohydramnios. Affected fetuses develop pulmonary hypoplasia, limb deformities, and characteristic facies. Bilateral agenesis of the fetal kidneys is the most common cause due to the lack of fetal urine.
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Placental insufficiency: This is a condition in which the placenta does not function properly, leading to an insufficient supply of oxygen and nutrients to the developing baby, potentially affecting amniotic fluid
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Babies with anhydramnios who also have other complications, such as fetal growth restriction or skeletal deformities, have a poorer prognosis than babies with anhydramnios who do not have other complications.
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or urethral atresia which are associated with obstruction of the lower urinary tract. Fetal renal abnormalities can encompass various kidney-related issues, including bilateral renal agenesis, also known as
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Johnson JM, Chauhan SP, Ennen CS, Niederhauser A, Magann EF (2007). "A comparison of 3 criteria of oligohydramnios in identifying peripartum complications: a secondary analysis".
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are managed in the outpatient setting with weekly or biweekly testing to monitor for accurate fetal growth and decrease chances of unexpected fetal death. This includes a weekly
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There is no way to permanently increase the volume of amniotic fluid, but it can be temporarily increased to allow for a complete anatomy scan of the fetus on ultrasound.
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Vikraman, Seneesh Kumar; Chandra, Vipin; Balakrishnan, Bijoy; Batra, Meenu; Sethumadhavan, Sreeja; Patil, Swapneel Neelkanth; Nair, Sabila; Kannoly, Gopinathan (2017).
514:: Babies with anhydramnios diagnosed in the early stages of pregnancy have a poorer prognosis than babies with anhydramnios diagnosed in the later stages of pregnancy. 1040:"Impact of antepartum diagnostic amnioinfusion on targeted ultrasound imaging of pregnancies presenting with severe oligo- and anhydramnios: An analysis of 61 cases" 111:
placenta. By the second trimester, the fetal kidneys start to produce urine which becomes the main source of the amniotic fluid for the remainder of the pregnancy.
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Retaking a maternal and family history and performing a physical exam can point to maternal conditions or medications that might be causing the oligohydramnios.
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Idiopathic, uncomplicated, and persistent oligohydramnios can be delivered at 36 0/7 weeks – 37 6/7 weeks of gestation or at diagnosis if diagnosis is later.
1385: 384:. There is uncertainty about the procedure's safety and efficacy, and it is recommended that it should only be performed in centers specializing in invasive 2025: 1462:
Morris, R. K.; Malin, G. L.; Quinlan-Jones, E.; Middleton, L. J.; Hemming, K.; Burke, D.; Daniels, J. P.; Khan, K. S.; Deeks, J.; Kilby, M. D. (2013).
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Grijseels, E. W. M.; van-Hornstra, PTM Echteld; Govaerts, L. C. P.; Cohen-Overbeek, T. E.; de Krijger, R. R.; Smit, B. J.; Cransberg, K. (2011-07-14).
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Spiro, Judith Eva; Konrad, Martin; Rieger-Fackeldey, Esther; Masjosthusmann, Katja; Amler, Susanne; Klockenbusch, Walter; Schmitz, Ralf (2015-02-13).
568: 437:(NST) and single deepest pocket (SDP) assessment which is also referred to as the modified BPP. Sonographic fetal growth exams may also be indicated. 2367: 502:
Babies with anhydramnios caused by fetal renal abnormalities have a much poorer prognosis than babies with anhydramnios caused by other factors.
1464:"Percutaneous vesicoamniotic shunting versus conservative management for fetal lower urinary tract obstruction (PLUTO): A randomised trial" 305:
In a multiple gestation pregnancy, measuring a single deepest pocket is the most accurate determination of adequate amniotic fluid levels.
1392: 410: 357:(MSAFP) can indicate leaking amniotic fluid due to damage to fetal membranes or the placenta. This is associated with a poor prognosis. 148: 395:
One to two liters of oral hydration can temporarily increase amniotic fluid in dehydrated patients with isolated oligohydramnios.
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the umbilical cord. If the lack of amniotic fluid prevents accurate visualization on ultraosund, MRI imaging can be considered.
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Delivery: The timing of delivery may need to be adjusted depending on the severity of anhydramnios and the health of the fetus
2005: 1972: 810: 321:: Injection of amniotic fluid into the womb, can help to improve fetal lung development and reduce the risk of complications 1744: 831:
Jelin, Angie C.; Sagaser, Katelynn G.; Forster, Katherine R.; Ibekwe, Tochi; Norton, Mary E.; Jelin, Eric B. (2020-02-19).
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Fetal monitoring: Close monitoring of the fetus is crucial to assess its well-being and detect any potential complications
1087:"Anhydramnios associated with administration of trastuzumab and paclitaxel for metastatic breast cancer during pregnancy" 152: 2020: 2423: 2278: 2205: 1900: 248: 2450: 1581:
Elsandabesee D, Majumdar S, Sinha S (2007). "Obstetricians' attitudes towards 'isolated' oligohydramnios at term".
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Paternoster, Delia M.; Snijders, Deborah; Manganelli, Francesca; Torrisi, Angela; Bracciante, Roberto (2003).
2154: 1411:"Maternal hydration for increasing amniotic fluid volume in oligohydramnios and normal amniotic fluid volume" 1124:
Io, Shingo; Kondoh, Eiji; Chigusa, Yoshitsugu; Tani, Hirohiko; Hamanishi, Junzo; Konishi, Ikuo (2017-11-20).
339: 833:"Etiology and management of early pregnancy renal anhydramnios: Is there a place for serial amnioinfusions?" 2438: 2221: 2066: 2234: 1752: 1511:
Adeniran AJ, Stanek J (2007). "Amnion nodosum revisited: clinicopathologic and placental correlations".
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Complications may include cord compression, musculoskeletal abnormalities such as facial distortion and
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A maternal blood test or amniotic fluid test can be performed if suspicion of a TORCH infection is high.
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ultrasound. The symptoms of anhydramnios may not always be apparent, but some potential signs include:
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is ruled out with a nitrizine test, evidence of ferning, or evidence pooling of liquid in the cervix.
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The development of oligohydramnios may be idiopathic or have a maternal, fetal, or placental cause.
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Bader, Arnim A; Schlembach, Dietmar; Tamussino, Karl F; Pristauz, Gunda; Petru, Edgar (2007).
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Babies with severe anhydramnios have a poorer prognosis than babies with mild anhydramnios.
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Visvalingam, G.; Purandare, N.; Cooley, S.; Roopnarinesingh, R.; Geary, M. (2011-12-20).
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The use of oligohydramnios as a predictor of gestational complications is controversial.
239: 205: 2407: 2362: 2337: 2302: 2149: 2139: 1834: 1606: 1488: 1463: 1439: 1410: 1357: 1283:"Ureterocele Causing Anhydramnios Successfully Treated With Percutaneous Decompression" 1263: 1208: 1153: 927: 892: 867: 832: 660: 625:"Outcome of pregnancies complicated by oligohydramnios or anhydramnios of renal origin" 534: 210: 1667: 1479: 1282: 1102: 757: 2312: 2284: 2244: 2239: 2174: 2048: 1849: 1824: 1792: 1684: 1598: 1563: 1528: 1493: 1444: 1426: 1349: 1341: 1302: 1298: 1255: 1247: 1200: 1192: 1145: 1106: 1067: 1059: 1020: 1012: 991:
Hromadnikova, Ilona; Kotlabova, Katerina; Hympanova, Lucie; Krofta, Ladislav (2016).
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Maternal dehydration, including severe diarrhea, vomiting, or excessive fluid loss.
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Therapeutic amnioinfusion for oligohydramnios during pregnancy (excluding labour)
1381: 1188: 1126:"An experience of second-trimester anhydramnios salvaged by single amnioinfusion" 1055: 801: 479: 347: 199: 1228:"Renal oligo- and anhydramnios: cause, course and outcome—a single-center study" 968: 951: 2445: 2355: 2251: 2111: 2100: 2040: 1918: 1559: 1227: 1125: 682: 466: 434: 190: 136: 78: 59: 1724: 1689: 1652: 1594: 1422: 1321: 1243: 1141: 742:"Anhydramnios and maternal thrombocytopenia after prolonged use of nimesulide" 2487: 2327: 2297: 2030: 1913: 1430: 1345: 1337: 1306: 1251: 1196: 1149: 1110: 1063: 1016: 977: 918: 858: 765: 648: 430: 414: 373: 318: 183: 140: 124: 1320:
Gramellini, D.; Fieni, S.; Kaihura, C.; Piantelli, G.; Verrotti, C. (2003).
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and cystic renal disease are associated with impaired urine production, and
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condition. The treatment depends on the underlying cause and may include:
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Riska, Anggun Hatika; Yusrawati, Yusrawati; Efrida, Efrida (2022-09-02).
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European Journal of Obstetrics & Gynecology and Reproductive Biology
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European Journal of Obstetrics & Gynecology and Reproductive Biology
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Palermo, Mario S. F.; Espinosa, Ana; Trasmonte, Mónica (2021-11-19),
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Diagnosis of oligohydramnios or anhydramnios is made by conducting a
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Hansen, Wendy F.; Cooper, Christopher S.; Yankowitz, Jerome (2002).
990: 849: 789:"Disorders of Amniotic Fluid Volume: Oligoamnios and Polyhydramnios" 739: 640: 169:, rubella, cytomegalovirus, herpes simplex virus) and parvovirus B19 1819: 454: 294:
There are two methods that can be used to make the diagnosis: the
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is frequently also present (nodules on the fetal surface of the
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other factors, such as premature rupture of membranes (PPROM).
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Pruritic urticarial papules and plaques of pregnancy (PUPPP)
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Factors that affect the prognosis of anhydramnios include:
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Other investigational therapies may also be useful such as
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can be useful if fetal anomalies are documented on imaging.
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Indonesian Journal of Obstetrics & Gynecology Science
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which are associated with gastrointestinal abnormalities
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Pathology of pregnancy, childbirth and the puerperium
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National Institute for Health and Clinical Excellence
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The Journal of Maternal-Fetal & Neonatal Medicine
1280: 1625: 949: 380:. Amnioinfusion can be used during labor to prevent 202:, which is the most prevalent cause of anhydramnios. 1123: 151:(lisinopril), prostaglandin synthetase inhibitors ( 2368:Childbirth-related post-traumatic stress disorder 1408: 2485: 16:Deficiency of amniotic fluid in the amniotic sac 689:, Treasure Island (FL): StatPearls Publishing, 1510: 681:Keilman, Courtney; Shanks, Anthony L. (2021), 1768: 680: 278:Uterine contractions not associated with pain 1574: 1539: 1504: 364: 272:A decrease in the size of the baby's abdomen 1415:The Cochrane Database of Systematic Reviews 338:Premature prelabor rupture of membranes or 1775: 1761: 1455: 1409:Hofmeyr, G. J.; Gülmezoglu, A. M. (2002). 417:seems to improve survival, according to a 411:congenital lower urinary tract obstruction 40: 1487: 1438: 967: 926: 908: 866: 848: 800: 500:The underlying cause of the anhydramnios: 262: 149:angiotensin converting enzyme inhibitors 2486: 372:One way to achieve this is through an 2006:Intrahepatic cholestasis of pregnancy 1973:Intrahepatic cholestasis of pregnancy 1756: 1583:Journal of Obstetrics and Gynaecology 1232:Archives of Gynecology and Obstetrics 1177:Journal of Obstetrics and Gynaecology 440: 2072:Pregnancy-induced hypercoagulability 1554:(2): 207.e1–7, discussion 207.e7–8. 1322:"Antepartum amnioinfusion: a review" 711: 709: 676: 674: 594: 592: 590: 588: 563: 561: 559: 557: 555: 518:The presence of other complications: 77:The opposite of oligohydramnios is 13: 2021:Pruritic folliculitis of pregnancy 253:Placental thrombosis or infarction 81:, or an excess of amniotic fluid. 14: 2505: 2279:Pain management during childbirth 2206:Twin-to-twin transfusion syndrome 1621: 706: 671: 585: 552: 506:The severity of the anhydramnios: 189:Congenital abnormalities such as 58:characterized by a deficiency of 2465: 2464: 2451:Sexual activity during pregnancy 1299:10.1097/00006250-200205001-00033 512:The gestational age at diagnosis 448: 424: 1402: 1368: 1313: 1274: 1219: 1164: 1117: 1078: 1031: 984: 943: 910:10.1016/j.clinthera.2022.07.001 569:"Antepartum Fetal Surveillance" 463:intrauterine growth restriction 221:Intrauterine growth restriction 1953:Acute fatty liver of pregnancy 1130:Journal of Medical Ultrasonics 1009:10.1016/j.thromres.2015.11.032 883: 824: 780: 733: 616: 282: 90:its development such as fetal 1: 2155:Prelabor rupture of membranes 1480:10.1016/S0140-6736(13)60992-7 1103:10.1016/s1470-2045(06)71014-2 758:10.1016/s0301-2115(02)00343-3 545: 340:prelabor rupture of membranes 308: 84: 2434:Systemic lupus erythematosus 2085:Maternal care related to the 2067:Gestational thrombocytopenia 1525:10.5858/2007-131-1829-ANRCAP 1189:10.3109/01443615.2011.618891 1056:10.1016/j.ejogrb.2017.03.026 802:10.1007/978-3-030-83434-0_39 486: 257: 233: 7: 2235:Cephalopelvic disproportion 1287:Obstetrics & Gynecology 528: 353:An elevated maternal serum 117: 105: 10: 2510: 2346:Breastfeeding difficulties 2145:Constriction ring syndrome 2119:Braxton Hicks contractions 1560:10.1016/j.ajog.2007.04.048 382:umbilical cord compression 54:is a medical condition in 2459: 2416: 2383:Peripartum cardiomyopathy 2373:Pubic symphysis diastasis 2336: 2220: 2084: 2057: 2039: 1981: 1943: 1934: 1890: 1808: 1799: 1699: 1629: 1595:10.1080/01443610701469669 1423:10.1002/14651858.CD000134 1244:10.1007/s00404-015-3648-7 1142:10.1007/s10396-017-0842-1 969:10.24198/obgynia/v5n2.430 378:external cephalic version 365:Increasing amniotic fluid 331:Other point to note are: 289:transabdominal ultrasound 195:posterior urethral valves 180:Chromosomal abnormalities 133:collagen vascular disease 102:or skeletal deformities. 29: 24: 1909:Gestational hypertension 1388:. Based on the overview 1338:10.1080/jmf.14.5.291.296 388:and in the context of a 275:Decreased fetal movement 173: 2308:Umbilical cord prolapse 2230:Amniotic fluid embolism 1988:dermatoses of pregnancy 161:Infections such as the 96:placental insufficiency 66:. The limiting case is 2424:Concomitant conditions 2403:Postpartum thyroiditis 2181:Circumvallate placenta 2001:Impetigo herpetiformis 1996:Gestational pemphigoid 1968:Hyperemesis gravidarum 1901:hypertensive disorders 1548:Am. J. Obstet. Gynecol 1293:(5, Part 2): 953–956. 402:, tissue sealants, or 390:multidisciplinary team 263:Clinical manifestation 2393:Postpartum infections 2388:Postpartum depression 897:Clinical Therapeutics 249:Twin-twin transfusion 2398:Postpartum psychosis 2267:Obstetrical bleeding 2162:Obstetrical bleeding 1983:Integumentary system 1958:Gestational diabetes 1937:related to pregnancy 1935:Other, predominantly 459:pulmonary hypoplasia 296:amniotic fluid index 216:Rupture of membranes 147:Medications such as 129:chronic hypertension 100:pulmonary hypoplasia 72:amniotic fluid index 2378:Postpartum bleeding 2201:Placental abruption 2186:Monochorionic twins 2016:Prurigo gestationis 1513:Arch Pathol Lab Med 1474:(9903): 1496–1506. 1091:The Lancet Oncology 997:Thrombosis Research 355:alpha fetal protein 240:Placental abruption 211:Post-term pregnancy 206:Intrauterine demise 123:Conditions such as 2408:Puerperal mastitis 2363:Breast engorgement 2150:Monoamniotic twins 2140:Chorionic hematoma 1700:External resources 1395:2013-02-18 at the 1380:2016-09-20 at the 837:Prenatal Diagnosis 629:Prenatal Diagnosis 535:Fetal intervention 441:Timing of delivery 404:sildenafil citrate 2481: 2480: 2439:Thyroid disorders 2429:Diabetes mellitus 2313:Uterine inversion 2245:Shoulder dystocia 2240:Obstructed labour 2216: 2215: 2080: 2079: 2049:Chorea gravidarum 1825:Ectopic pregnancy 1734: 1733: 812:978-3-030-83433-3 683:"Oligohydramnios" 635:(11): 1039–1045. 540:Potter's sequence 429:Patients who are 421:yet small study. 167:Toxoplasma gondii 94:abnormalities or 49: 48: 19:Medical condition 2501: 2468: 2467: 2303:Postmature birth 2291:Placenta accreta 2196:Placenta praevia 2191:Placenta accreta 2135:Chorioamnionitis 1945:Digestive system 1941: 1940: 1867:Fetal resorption 1855:Rudimentary horn 1812:abortive outcome 1806: 1805: 1777: 1770: 1763: 1754: 1753: 1627: 1626: 1615: 1614: 1578: 1572: 1571: 1543: 1537: 1536: 1508: 1502: 1501: 1491: 1459: 1453: 1452: 1442: 1406: 1400: 1372: 1366: 1365: 1317: 1311: 1310: 1278: 1272: 1271: 1223: 1217: 1216: 1168: 1162: 1161: 1121: 1115: 1114: 1082: 1076: 1075: 1035: 1029: 1028: 988: 982: 981: 971: 947: 941: 940: 930: 912: 903:(8): 1161–1171. 887: 881: 880: 870: 852: 828: 822: 821: 820: 819: 804: 784: 778: 777: 737: 731: 730: 728: 727: 721:www.uptodate.com 713: 704: 703: 702: 701: 678: 669: 668: 620: 614: 613: 611: 610: 604:www.uptodate.com 596: 583: 582: 580: 579: 565: 291:of the abdomen. 163:TORCH infections 144:oligohydramnios. 45: 44: 22: 21: 2509: 2508: 2504: 2503: 2502: 2500: 2499: 2498: 2484: 2483: 2482: 2477: 2455: 2412: 2356:Cracked nipples 2351:Low milk supply 2332: 2318:Uterine rupture 2212: 2107:Oligohydramnios 2092:amniotic cavity 2086: 2076: 2053: 2035: 1986: 1977: 1936: 1930: 1899: 1886: 1872:Molar pregnancy 1811: 1795: 1781: 1750: 1735: 1730: 1729: 1725:Oligohydramnios 1695: 1694: 1638: 1624: 1619: 1618: 1579: 1575: 1544: 1540: 1519:(12): 1829–33. 1509: 1505: 1460: 1456: 1417:(1): CD000134. 1407: 1403: 1397:Wayback Machine 1382:Wayback Machine 1375:Oligohydramnios 1373: 1369: 1318: 1314: 1279: 1275: 1224: 1220: 1169: 1165: 1122: 1118: 1083: 1079: 1036: 1032: 989: 985: 948: 944: 888: 884: 850:10.1002/pd.5658 829: 825: 817: 815: 813: 785: 781: 738: 734: 725: 723: 715: 714: 707: 699: 697: 679: 672: 641:10.1002/pd.2827 621: 617: 608: 606: 598: 597: 586: 577: 575: 567: 566: 553: 548: 531: 489: 480:Potter syndrome 451: 443: 435:non-stress test 427: 367: 348:Genetic testing 311: 285: 265: 260: 236: 200:Potter syndrome 176: 120: 108: 87: 52:Oligohydramnios 39: 25:Oligohydramnios 20: 17: 12: 11: 5: 2507: 2497: 2496: 2479: 2478: 2476: 2475: 2460: 2457: 2456: 2454: 2453: 2448: 2446:Maternal death 2443: 2442: 2441: 2436: 2431: 2420: 2418: 2414: 2413: 2411: 2410: 2405: 2400: 2395: 2390: 2385: 2380: 2375: 2370: 2365: 2360: 2359: 2358: 2353: 2342: 2340: 2334: 2333: 2331: 2330: 2325: 2320: 2315: 2310: 2305: 2300: 2295: 2294: 2293: 2281: 2276: 2275: 2274: 2264: 2259: 2254: 2252:Fetal distress 2249: 2248: 2247: 2237: 2232: 2226: 2224: 2218: 2217: 2214: 2213: 2211: 2210: 2209: 2208: 2203: 2198: 2193: 2188: 2183: 2171: 2170: 2169: 2159: 2158: 2157: 2152: 2147: 2142: 2137: 2121: 2116: 2115: 2114: 2112:Polyhydramnios 2109: 2101:amniotic fluid 2096: 2094: 2082: 2081: 2078: 2077: 2075: 2074: 2069: 2063: 2061: 2055: 2054: 2052: 2051: 2045: 2043: 2041:Nervous system 2037: 2036: 2034: 2033: 2028: 2023: 2018: 2013: 2008: 2003: 1998: 1992: 1990: 1979: 1978: 1976: 1975: 1970: 1965: 1960: 1955: 1949: 1947: 1938: 1932: 1931: 1929: 1928: 1923: 1922: 1921: 1919:HELLP syndrome 1911: 1905: 1903: 1888: 1887: 1885: 1884: 1879: 1874: 1869: 1864: 1859: 1858: 1857: 1852: 1847: 1842: 1837: 1832: 1822: 1816: 1814: 1810:Pregnancy with 1803: 1797: 1796: 1780: 1779: 1772: 1765: 1757: 1748: 1747: 1732: 1731: 1728: 1727: 1716: 1704: 1703: 1701: 1697: 1696: 1693: 1692: 1681: 1670: 1655: 1639: 1634: 1633: 1631: 1630:Classification 1623: 1622:External links 1620: 1617: 1616: 1573: 1538: 1503: 1454: 1401: 1367: 1332:(5): 291–296. 1312: 1273: 1238:(2): 327–336. 1218: 1163: 1136:(3): 525–527. 1116: 1077: 1030: 983: 962:(2): 284–292. 942: 882: 843:(5): 528–537. 823: 811: 779: 732: 705: 670: 615: 584: 550: 549: 547: 544: 543: 542: 537: 530: 527: 522: 521: 515: 509: 503: 488: 485: 467:Amnion nodosum 450: 447: 442: 439: 426: 423: 386:fetal medicine 366: 363: 362: 361: 358: 351: 343: 336: 329: 328: 325: 322: 310: 307: 284: 281: 280: 279: 276: 273: 264: 261: 259: 256: 255: 254: 251: 246: 242: 235: 232: 231: 230: 227:Amnion nodosum 224: 218: 213: 208: 203: 191:renal agenesis 187: 175: 172: 171: 170: 159: 156: 145: 119: 116: 107: 104: 86: 83: 79:polyhydramnios 60:amniotic fluid 47: 46: 33: 27: 26: 18: 15: 9: 6: 4: 3: 2: 2506: 2495: 2492: 2491: 2489: 2474: 2473: 2469: 2462: 2461: 2458: 2452: 2449: 2447: 2444: 2440: 2437: 2435: 2432: 2430: 2427: 2426: 2425: 2422: 2421: 2419: 2415: 2409: 2406: 2404: 2401: 2399: 2396: 2394: 2391: 2389: 2386: 2384: 2381: 2379: 2376: 2374: 2371: 2369: 2366: 2364: 2361: 2357: 2354: 2352: 2349: 2348: 2347: 2344: 2343: 2341: 2339: 2335: 2329: 2328:Uterine atony 2326: 2324: 2321: 2319: 2316: 2314: 2311: 2309: 2306: 2304: 2301: 2299: 2298:Preterm birth 2296: 2292: 2289: 2288: 2287: 2286: 2282: 2280: 2277: 2273: 2270: 2269: 2268: 2265: 2263: 2260: 2258: 2255: 2253: 2250: 2246: 2243: 2242: 2241: 2238: 2236: 2233: 2231: 2228: 2227: 2225: 2223: 2219: 2207: 2204: 2202: 2199: 2197: 2194: 2192: 2189: 2187: 2184: 2182: 2179: 2178: 2177: 2176: 2172: 2168: 2165: 2164: 2163: 2160: 2156: 2153: 2151: 2148: 2146: 2143: 2141: 2138: 2136: 2133: 2132: 2131: 2130: 2126: 2122: 2120: 2117: 2113: 2110: 2108: 2105: 2104: 2103: 2102: 2098: 2097: 2095: 2093: 2089: 2083: 2073: 2070: 2068: 2065: 2064: 2062: 2060: 2056: 2050: 2047: 2046: 2044: 2042: 2038: 2032: 2031:Stretch marks 2029: 2027: 2024: 2022: 2019: 2017: 2014: 2012: 2009: 2007: 2004: 2002: 1999: 1997: 1994: 1993: 1991: 1989: 1984: 1980: 1974: 1971: 1969: 1966: 1964: 1961: 1959: 1956: 1954: 1951: 1950: 1948: 1946: 1942: 1939: 1933: 1927: 1924: 1920: 1917: 1916: 1915: 1914:Pre-eclampsia 1912: 1910: 1907: 1906: 1904: 1902: 1897: 1893: 1889: 1883: 1880: 1878: 1875: 1873: 1870: 1868: 1865: 1863: 1860: 1856: 1853: 1851: 1848: 1846: 1843: 1841: 1838: 1836: 1833: 1831: 1828: 1827: 1826: 1823: 1821: 1818: 1817: 1815: 1813: 1807: 1804: 1802: 1798: 1794: 1790: 1786: 1783:Pathology of 1778: 1773: 1771: 1766: 1764: 1759: 1758: 1755: 1751: 1746: 1742: 1741: 1737: 1736: 1726: 1722: 1721: 1717: 1715: 1711: 1710: 1706: 1705: 1702: 1698: 1691: 1687: 1686: 1682: 1680: 1676: 1675: 1671: 1669: 1665: 1664: 1660: 1656: 1654: 1650: 1649: 1645: 1641: 1640: 1637: 1632: 1628: 1612: 1608: 1604: 1600: 1596: 1592: 1588: 1584: 1577: 1569: 1565: 1561: 1557: 1553: 1549: 1542: 1534: 1530: 1526: 1522: 1518: 1514: 1507: 1499: 1495: 1490: 1485: 1481: 1477: 1473: 1469: 1465: 1458: 1450: 1446: 1441: 1436: 1432: 1428: 1424: 1420: 1416: 1412: 1405: 1398: 1394: 1391: 1387: 1383: 1379: 1376: 1371: 1363: 1359: 1355: 1351: 1347: 1343: 1339: 1335: 1331: 1327: 1323: 1316: 1308: 1304: 1300: 1296: 1292: 1288: 1284: 1277: 1269: 1265: 1261: 1257: 1253: 1249: 1245: 1241: 1237: 1233: 1229: 1222: 1214: 1210: 1206: 1202: 1198: 1194: 1190: 1186: 1182: 1178: 1174: 1167: 1159: 1155: 1151: 1147: 1143: 1139: 1135: 1131: 1127: 1120: 1112: 1108: 1104: 1100: 1096: 1092: 1088: 1081: 1073: 1069: 1065: 1061: 1057: 1053: 1049: 1045: 1041: 1034: 1026: 1022: 1018: 1014: 1010: 1006: 1002: 998: 994: 987: 979: 975: 970: 965: 961: 957: 953: 946: 938: 934: 929: 924: 920: 916: 911: 906: 902: 898: 894: 886: 878: 874: 869: 864: 860: 856: 851: 846: 842: 838: 834: 827: 814: 808: 803: 798: 794: 790: 783: 775: 771: 767: 763: 759: 755: 751: 747: 743: 736: 722: 718: 712: 710: 696: 692: 688: 684: 677: 675: 666: 662: 658: 654: 650: 646: 642: 638: 634: 630: 626: 619: 605: 601: 595: 593: 591: 589: 574: 570: 564: 562: 560: 558: 556: 551: 541: 538: 536: 533: 532: 526: 519: 516: 513: 510: 507: 504: 501: 498: 497: 496: 493: 484: 481: 477: 474: 472: 468: 464: 460: 456: 449:Complications 446: 438: 436: 432: 425:Prenatal care 422: 420: 416: 415:fetal surgery 412: 407: 405: 401: 396: 393: 391: 387: 383: 379: 375: 374:amnioinfusion 370: 359: 356: 352: 349: 344: 341: 337: 334: 333: 332: 326: 323: 320: 319:Amnioinfusion 317: 316: 315: 306: 303: 299: 297: 292: 290: 277: 274: 271: 270: 269: 252: 250: 247: 243: 241: 238: 237: 228: 225: 222: 219: 217: 214: 212: 209: 207: 204: 201: 196: 192: 188: 185: 184:Down syndrome 181: 178: 177: 168: 164: 160: 157: 154: 150: 146: 142: 141:thrombophilia 138: 134: 130: 126: 122: 121: 115: 112: 103: 101: 97: 93: 82: 80: 75: 73: 69: 65: 61: 57: 53: 43: 37: 34: 32: 28: 23: 2470: 2463: 2323:Vasa praevia 2283: 2257:Locked twins 2173: 2123: 2106: 2099: 1845:Interstitial 1749: 1738: 1718: 1707: 1683: 1672: 1657: 1642: 1589:(6): 574–6. 1586: 1582: 1576: 1551: 1547: 1541: 1516: 1512: 1506: 1471: 1467: 1457: 1414: 1404: 1370: 1329: 1325: 1315: 1290: 1286: 1276: 1235: 1231: 1221: 1183:(1): 50–53. 1180: 1176: 1166: 1133: 1129: 1119: 1097:(1): 79–81. 1094: 1090: 1080: 1047: 1043: 1033: 1000: 996: 986: 959: 955: 945: 900: 896: 885: 840: 836: 826: 816:, retrieved 793:Perinatology 792: 782: 752:(1): 97–98. 749: 745: 735: 724:. Retrieved 720: 698:, retrieved 686: 632: 628: 618: 607:. Retrieved 603: 576:. Retrieved 573:www.acog.org 572: 523: 517: 511: 505: 499: 494: 490: 478: 475: 452: 444: 428: 408: 400:desmopressin 397: 394: 371: 368: 330: 312: 304: 300: 293: 286: 266: 226: 166: 125:preeclampsia 113: 109: 88: 76: 68:anhydramnios 67: 64:amniotic sac 51: 50: 2262:Nuchal cord 2011:Linea nigra 1963:Hepatitis E 1896:proteinuria 1877:Miscarriage 1862:Embryo loss 1840:Heterotopic 1003:: 126–140. 409:In case of 245:production. 137:nephropathy 2272:Postpartum 2167:Antepartum 1882:Stillbirth 1793:puerperium 1791:, and the 1789:childbirth 1720:Patient UK 1685:DiseasesDB 1468:The Lancet 1050:: 96–100. 818:2023-11-21 726:2021-11-07 717:"UpToDate" 700:2021-11-07 687:StatPearls 609:2021-11-07 600:"UpToDate" 578:2021-11-07 546:References 419:randomized 309:Management 85:Background 36:Obstetrics 2338:Puerperal 1926:Eclampsia 1830:Abdominal 1801:Pregnancy 1785:pregnancy 1714:radio/898 1709:eMedicine 1431:1469-493X 1346:1476-7058 1307:0029-7844 1252:0932-0067 1197:0144-3615 1150:1346-4523 1111:1470-2045 1064:0301-2115 1017:0049-3848 978:2615-496X 919:0149-2918 859:0197-3851 766:0301-2115 649:0197-3851 487:Prognosis 283:Diagnosis 258:Diagnosis 234:Placental 56:pregnancy 31:Specialty 2488:Category 2472:Category 2285:placenta 2175:placenta 1835:Cervical 1820:Abortion 1611:39603642 1603:17896253 1568:17689653 1533:18081444 1498:23953766 1449:11869566 1393:Archived 1378:Archived 1362:19890702 1354:14986801 1268:21433366 1260:25676656 1213:23539855 1205:22185537 1158:22787864 1072:28349892 1025:26632513 937:35918190 877:32003482 774:12694979 695:32965997 665:35572158 657:21755519 529:See also 455:clubfoot 182:such as 118:Maternal 106:Etiology 2125:chorion 1850:Ovarian 1679:D016104 1489:3898962 1440:7045461 1399:in 2006 1384:at the 928:9847373 868:7780162 431:preterm 2129:amnion 1745:CHORUS 1609:  1601:  1566:  1531:  1496:  1486:  1447:  1437:  1429:  1360:  1352:  1344:  1305:  1266:  1258:  1250:  1211:  1203:  1195:  1156:  1148:  1109:  1070:  1062:  1023:  1015:  976:  935:  925:  917:  875:  865:  857:  809:  772:  764:  693:  663:  655:  647:  471:amnion 153:NSAIDs 139:, and 38:  2417:Other 2222:Labor 2088:fetus 2059:Blood 1898:, and 1892:Edema 1740:00435 1668:658.0 1653:O41.0 1607:S2CID 1358:S2CID 1264:S2CID 1209:S2CID 1154:S2CID 661:S2CID 174:Fetal 92:renal 2090:and 1690:9202 1674:MeSH 1663:9-CM 1599:PMID 1564:PMID 1529:PMID 1494:PMID 1445:PMID 1427:ISSN 1350:PMID 1342:ISSN 1303:ISSN 1256:PMID 1248:ISSN 1201:PMID 1193:ISSN 1146:ISSN 1107:ISSN 1068:PMID 1060:ISSN 1021:PMID 1013:ISSN 974:ISSN 933:PMID 915:ISSN 873:PMID 855:ISSN 807:ISBN 770:PMID 762:ISSN 691:PMID 653:PMID 645:ISSN 461:and 1743:at 1659:ICD 1644:ICD 1591:doi 1556:doi 1552:197 1521:doi 1517:131 1484:PMC 1476:doi 1472:382 1435:PMC 1419:doi 1334:doi 1295:doi 1240:doi 1236:292 1185:doi 1138:doi 1099:doi 1052:doi 1048:212 1005:doi 1001:137 964:doi 923:PMC 905:doi 863:PMC 845:doi 797:doi 754:doi 750:108 637:doi 473:). 465:. 2490:: 2127:/ 1894:, 1787:, 1723:: 1712:: 1688:: 1677:: 1666:: 1651:: 1648:10 1605:. 1597:. 1587:27 1585:. 1562:. 1550:. 1527:. 1515:. 1492:. 1482:. 1470:. 1466:. 1443:. 1433:. 1425:. 1413:. 1356:. 1348:. 1340:. 1330:14 1328:. 1324:. 1301:. 1291:99 1289:. 1285:. 1262:. 1254:. 1246:. 1234:. 1230:. 1207:. 1199:. 1191:. 1181:32 1179:. 1175:. 1152:. 1144:. 1134:45 1132:. 1128:. 1105:. 1093:. 1089:. 1066:. 1058:. 1046:. 1042:. 1019:. 1011:. 999:. 995:. 972:. 958:. 954:. 931:. 921:. 913:. 901:44 899:. 895:. 871:. 861:. 853:. 841:40 839:. 835:. 805:, 791:, 768:. 760:. 748:. 744:. 719:. 708:^ 685:, 673:^ 659:. 651:. 643:. 633:31 631:. 627:. 602:. 587:^ 571:. 554:^ 457:, 413:, 392:. 135:, 131:, 127:, 1985:/ 1776:e 1769:t 1762:v 1661:- 1646:- 1636:D 1613:. 1593:: 1570:. 1558:: 1535:. 1523:: 1500:. 1478:: 1451:. 1421:: 1364:. 1336:: 1309:. 1297:: 1270:. 1242:: 1215:. 1187:: 1160:. 1140:: 1113:. 1101:: 1095:8 1074:. 1054:: 1027:. 1007:: 980:. 966:: 960:5 939:. 907:: 879:. 847:: 799:: 776:. 756:: 729:. 667:. 639:: 612:. 581:. 165:(

Index

Specialty
Obstetrics
Edit this on Wikidata
pregnancy
amniotic fluid
amniotic sac
amniotic fluid index
polyhydramnios
renal
placental insufficiency
pulmonary hypoplasia
preeclampsia
chronic hypertension
collagen vascular disease
nephropathy
thrombophilia
angiotensin converting enzyme inhibitors
NSAIDs
TORCH infections
Chromosomal abnormalities
Down syndrome
renal agenesis
posterior urethral valves
Potter syndrome
Intrauterine demise
Post-term pregnancy
Rupture of membranes
Intrauterine growth restriction
Placental abruption
Twin-twin transfusion

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