{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,19]],"date-time":"2026-09-19T01:10:41Z","timestamp":1789780241211,"version":"4.0.1"},"reference-count":26,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[2022,9,1]],"date-time":"2022-09-01T00:00:00Z","timestamp":1661990400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2022,9,1]],"date-time":"2022-09-01T00:00:00Z","timestamp":1661990400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2022,9,1]],"date-time":"2022-09-01T00:00:00Z","timestamp":1661990400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2022,9,1]],"date-time":"2022-09-01T00:00:00Z","timestamp":1661990400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2022,9,1]],"date-time":"2022-09-01T00:00:00Z","timestamp":1661990400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2022,9,1]],"date-time":"2022-09-01T00:00:00Z","timestamp":1661990400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2022,9,1]],"date-time":"2022-09-01T00:00:00Z","timestamp":1661990400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"content-domain":{"domain":["ajog.org","clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["American Journal of Obstetrics and Gynecology"],"published-print":{"date-parts":[[2022,9]]},"DOI":"10.1016\/j.ajog.2022.04.016","type":"journal-article","created":{"date-parts":[[2022,4,20]],"date-time":"2022-04-20T14:40:19Z","timestamp":1650465619000},"page":"462-470","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":17,"title":["The amniotic fluid index and oligohydramnios: a\u00a0deeper dive into the shallow end"],"prefix":"10.1016","volume":"227","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4575-2308","authenticated-orcid":false,"given":"Joseph R.","family":"Wax","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael G.","family":"Pinette","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ajog.2022.04.016_bib1","doi-asserted-by":"crossref","first-page":"e241","DOI":"10.1097\/AOG.0000000000001815","article-title":"Practice Bulletin No. 175: ultrasound in pregnancy","volume":"128","year":"2016","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib2","first-page":"E13","article-title":"AIUM-ACR-ACOG-SMFM-SRU Practice Parameter for the performance of standard diagnostic obstetric ultrasound examinations","volume":"37","year":"2018","journal-title":"J\u00a0Ultrasound Med"},{"key":"10.1016\/j.ajog.2022.04.016_bib3","doi-asserted-by":"crossref","first-page":"e116","DOI":"10.1097\/AOG.0000000000004410","article-title":"Antepartum fetal surveillance: ACOG Practice Bulletin, Number 229","volume":"137","year":"2021","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib4","doi-asserted-by":"crossref","first-page":"880","DOI":"10.1016\/S0002-9378(87)80077-7","article-title":"Fetal assessment based on fetal biophysical profile scoring: experience in 19,221 referred high-risk pregnancies. II. An analysis of false-negative fetal deaths","volume":"157","author":"Manning","year":"1987","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib5","doi-asserted-by":"crossref","first-page":"812","DOI":"10.1016\/S0002-9378(96)70305-8","article-title":"The modified biophysical profile: antepartum testing in the 1990s","volume":"174","author":"Miller","year":"1996","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib6","doi-asserted-by":"crossref","first-page":"245","DOI":"10.1016\/S0002-9378(84)90359-4","article-title":"Ultrasound evaluation of amniotic fluid volume. I. The relationship of marginal and decreased amniotic fluid volumes to perinatal outcome","volume":"150","author":"Chamberlain","year":"1984","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib7","first-page":"353","article-title":"The four-quadrant assessment of amniotic fluid volume: an adjunct to antepartum fetal heart rate testing","volume":"70","author":"Rutherford","year":"1987","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib8","doi-asserted-by":"crossref","first-page":"387","DOI":"10.1016\/j.ajog.2014.02.028","volume":"210","author":"Reddy","year":"2014","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib9","doi-asserted-by":"crossref","first-page":"390","DOI":"10.1097\/01.AOG.0000452744.06088.48","article-title":"Practice Bulletin No. 146: Management of late-term and postterm pregnancies","volume":"124","year":"2014","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib10","doi-asserted-by":"crossref","first-page":"e35","DOI":"10.1097\/AOG.0000000000004447","article-title":"Medically indicated late-preterm and early-term deliveries: ACOG Committee Opinion, Number 831","volume":"138","year":"2021","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib12","doi-asserted-by":"crossref","first-page":"207","DOI":"10.1111\/j.1471-0528.1997.tb11046.x","article-title":"A\u00a0randomised comparison between amniotic fluid index and maximum pool depth in the monitoring of post-term pregnancy","volume":"104","author":"Alfirevic","year":"1997","journal-title":"Br J Obstet Gynaecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib13","first-page":"180","article-title":"A\u00a0comparison between two different ultrasonographic methods for assessing amniotic fluid volume in postterm pregnancies","volume":"16","author":"Oral","year":"1999","journal-title":"Ondokuz Mayis Univ Tip Derg"},{"key":"10.1016\/j.ajog.2022.04.016_bib14","doi-asserted-by":"crossref","first-page":"1564","DOI":"10.1016\/j.ajog.2004.03.046","article-title":"A\u00a0randomized clinical trial of the intrapartum assessment of amniotic fluid volume: amniotic fluid index versus the single deepest pocket technique","volume":"190","author":"Moses","year":"2004","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib15","doi-asserted-by":"crossref","first-page":"5","DOI":"10.1097\/01.AOG.0000131618.14176.00","article-title":"Biophysical profile with amniotic fluid volume assessments","volume":"104","author":"Magann","year":"2004","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib16","doi-asserted-by":"crossref","first-page":"661","DOI":"10.1016\/j.ajog.2004.06.078","article-title":"Amniotic fluid index vs single deepest pocket technique during modified biophysical profile: a randomized clinical trial","volume":"191","author":"Chauhan","year":"2004","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib17","doi-asserted-by":"crossref","first-page":"674","DOI":"10.1002\/uog.14924","article-title":"Single deepest vertical pocket or amniotic fluid index as evaluation test for predicting adverse pregnancy outcome (SAFE trial): a multicenter, open-label, randomized controlled trial","volume":"47","author":"Kehl","year":"2016","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib18","first-page":"CD006593","article-title":"Amniotic fluid index versus single deepest vertical pocket as a screening test for preventing adverse pregnancy outcome","volume":"2008","author":"Nabhan","year":"2008","journal-title":"Cochrane Database Syst Rev"},{"key":"10.1016\/j.ajog.2022.04.016_bib19","doi-asserted-by":"crossref","first-page":"3730","DOI":"10.1080\/14767058.2019.1691988","article-title":"Diagnostic utility of maximum vertical pocket versus amniotic fluid index in assessing amniotic fluid volume for the prediction of adverse maternal and fetal outcomes: a systematic review and meta-analysis","volume":"34","author":"Sekhon","year":"2021","journal-title":"J\u00a0Matern Fetal Neonatal Med"},{"key":"10.1016\/j.ajog.2022.04.016_bib20","doi-asserted-by":"crossref","first-page":"1335","DOI":"10.1097\/AOG.0b013e3181a11b99","article-title":"Evidence-based compared with reality-based medicine in obstetrics","volume":"113","author":"Vintzileos","year":"2009","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib21","first-page":"1","article-title":"Lack of change in perinatal mortality in the United States, 2014-2016","author":"Gregory","year":"2018","journal-title":"NCHS Data Brief"},{"key":"10.1016\/j.ajog.2022.04.016_bib22","doi-asserted-by":"crossref","first-page":"771","DOI":"10.1016\/0002-9378(82)90008-4","article-title":"A\u00a0prospective multi-institutional study of antepartum fetal heart rate monitoring. I. Risk of perinatal mortality and morbidity according to antepartum fetal heart rate test results","volume":"143","author":"Freeman","year":"1982","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib23","first-page":"CD004945","article-title":"Induction of labour at or beyond 37 weeks\u2019 gestation","volume":"7","author":"Middleton","year":"2020","journal-title":"Cochrane\u00a0Database Syst Rev"},{"key":"10.1016\/j.ajog.2022.04.016_bib24","first-page":"1445","article-title":"Cost-effectiveness of induction of labour versus serial antenatal monitoring in the Canadian Multicentre Postterm Pregnancy Trial","volume":"152","author":"Goeree","year":"1995","journal-title":"CMAJ"},{"key":"10.1016\/j.ajog.2022.04.016_bib25","doi-asserted-by":"crossref","first-page":"929","DOI":"10.1111\/1471-0528.14557","article-title":"Labour induction near term for women aged 35 or over: an economic evaluation","volume":"124","author":"Walker","year":"2017","journal-title":"BJOG"},{"key":"10.1016\/j.ajog.2022.04.016_bib26","first-page":"369.e1","article-title":"Health resource utilization of labor induction\u00a0versus expectant management","volume":"222","author":"Grobman","year":"2020","journal-title":"Am\u00a0J\u00a0Obstet Gynecol"},{"key":"10.1016\/j.ajog.2022.04.016_bib27","doi-asserted-by":"crossref","first-page":"513","DOI":"10.1056\/NEJMoa1800566","article-title":"Labor induction versus expectant management in low-risk nulliparous women","volume":"379","author":"Grobman","year":"2018","journal-title":"N\u00a0Engl J Med"}],"container-title":["American Journal of Obstetrics and Gynecology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002937822002885?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002937822002885?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,11]],"date-time":"2025-09-11T11:38:37Z","timestamp":1757590717000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0002937822002885"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,9]]},"references-count":26,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2022,9]]}},"alternative-id":["S0002937822002885"],"URL":"https:\/\/doi.org\/10.1016\/j.ajog.2022.04.016","relation":{},"ISSN":["0002-9378"],"issn-type":[{"value":"0002-9378","type":"print"}],"subject":[],"published":{"date-parts":[[2022,9]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"The amniotic fluid index and oligohydramnios: a\u00a0deeper dive into the shallow end","name":"articletitle","label":"Article Title"},{"value":"American Journal of Obstetrics and Gynecology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ajog.2022.04.016","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2022 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}