{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,24]],"date-time":"2026-07-24T22:46:11Z","timestamp":1784933171316,"version":"3.55.0"},"reference-count":32,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2022,2,28]],"date-time":"2022-02-28T00:00:00Z","timestamp":1646006400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Ultrasound Medicine"],"published-print":{"date-parts":[[2022,11]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>Society for Maternal\u2010fetal medicine Consult Series (#46) states \u201cantenatal fetal surveillance is not required for mild idiopathic\u201d polyhydramnios defined as amniotic fluid index (AFI) of 24\u2009cm or a deepest vertical pocket (DVP) between 8 and 11\u2009cm. The objective of this study was to determine the cutoff for DVP which correlates with AFI\u2009\u2265\u200930\u2009cm.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This retrospective study of singleton third trimester ultrasounds included a study group randomly divided into test and validation. In the test group, DVP cutoffs correlating with AFI\u2009\u2265\u200930\u2009cm which was used to define moderate\u2013severe polyhydramnios were calculated in two ways, rounded to the nearest whole number: 1) a receiver operating curve and Youden's J statistic (DVP\u2010Youden) and 2) calculation of the DVP percentile that corresponded with AFI of 30\u2009cm (DVP\u2010Percentile). Using the validation group, diagnostic characteristics were DVP\u2010Youden and DVP\u2010Percentile for diagnosis of AFI\u2009\u2265\u200930\u2009cm and were compared against SMFM cutoffs (DVP\u2010SMFM).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Seventy one thousand eight hundred and ninety three ultrasound exams in the 3rd trimester had assessment of AFI and DVP. Moderate\u2013severe polyhydramnios occurred in 286 (1.2%) in test group and 571 (1.2%) in validation group. AFI of 30\u2009cm corresponded to the 98.9th percentile, which in turn correlated to a DVP of 10\u2009cm (DVP\u2010Percentile). The calculated cutoff for moderate\u2013severe polyhydramnios was 8\u00a0cm for DVP\u2010Youden.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Using 8.0\u2009cm rather than 12.0\u2009cm increased the detection of moderate\u2013severe polyhydramnios to 100% with a false positive rate under 5%. For those utilizing DVP for amniotic fluid evaluation, identification of a DVP\u2009\u2265\u20098.0\u2009cm should prompt further evaluation with complete AFI.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jum.15970","type":"journal-article","created":{"date-parts":[[2022,2,28]],"date-time":"2022-02-28T12:05:42Z","timestamp":1646049942000},"page":"2827-2834","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["<scp>Moderate\u2010to\u2010Severe<\/scp> Polyhydramnios"],"prefix":"10.1002","volume":"41","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0062-0456","authenticated-orcid":false,"given":"Emma J.","family":"Qureshey","sequence":"first","affiliation":[{"name":"Department of Obstetrics, Gynecology and Reproductive Sciences McGovern Medical School at The University of Texas Health Science Center at Houston (UTHealth)  Houston TX 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