{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,13]],"date-time":"2025-05-13T15:30:01Z","timestamp":1747150201086,"version":"3.40.5"},"reference-count":20,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2021,11,18]],"date-time":"2021-11-18T00:00:00Z","timestamp":1637193600000},"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":[[2022,8]]},"abstract":"<jats:sec><jats:title>Objectives<\/jats:title><jats:p>The sacral ratio (SR) was described as a postnatal X\u2010ray\u2010based method to detect sacral abnormalities and predict functional prognosis for fecal continence in children with anorectal malformations (ARMs). The present study aimed to describe a novel method of assessing sonographic fetal sacral ratio (f\u2010SR) in a normal population of fetuses.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Sixty three\u2010dimensional (3D) ultrasound reconstruction images of the sacrum obtained from routine low\u2010risk scans performed between 21 and 26\u2009weeks of gestation served for measurement. The f\u2010SR was calculated in a coronal view as the ratio between lines drawn at the upper and lower levels of the iliac bone and the 5th sacral vertebra. Bland\u2013Altman plots assessed the inter\u2010 and intrareader variabilities of measurements.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The f\u2010SR in the normal population of fetuses was 0.913 (\u00b10.094). During the study period, three cases with ARM were examined and had a mean f\u2010SR of 0.55. There was good repeatability of measurements and between readers' agreement.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The present study introduces a novel prenatal sonographic f\u2010SR that can be reliably calculated on prenatal 3D ultrasound with good reliability and reproducibility. Future research will identify the clinical significance of f\u2010SR abnormalities in ARM and their long\u2010term impact on continence.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jum.15882","type":"journal-article","created":{"date-parts":[[2021,11,18]],"date-time":"2021-11-18T13:38:07Z","timestamp":1637242687000},"page":"2005-2010","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Fetal Sacral Ratio"],"prefix":"10.1002","volume":"41","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8023-0679","authenticated-orcid":false,"given":"Sharon","family":"Perlman","sequence":"first","affiliation":[{"name":"Ultrasound Unit, The Helen Schneider Women's Hospital Rabin Medical Center, Beilinson Campus  Petach Tikva Israel"},{"name":"Sackler School of Medicine Tel Aviv University  Tel Aviv 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