{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,13]],"date-time":"2026-01-13T22:22:14Z","timestamp":1768342934408,"version":"3.49.0"},"reference-count":24,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2015,8,24]],"date-time":"2015-08-24T00:00:00Z","timestamp":1440374400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Aust NZ J Obst Gynaeco"],"published-print":{"date-parts":[[2016,2]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Perinatal mortality and morbidity related to growth restriction and macrosomia are predicted by birthweight. Estimated fetal weight is a surrogate measure for neonatal weight, and accurate measurement of this is central to providing counselling and managing preterm birth.<\/jats:p><\/jats:sec><jats:sec><jats:title>Aims<\/jats:title><jats:p>To assess the accuracy of estimated fetal weight (<jats:styled-content style=\"fixed-case\">EFW<\/jats:styled-content>) measured by two sonographers within 1\u00a0week of delivery using Hadlock formula.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Two sonographers independently scanned 150 women with singleton pregnancies, who were booked for elective delivery. The sonographers measured four biometric measurements in estimating fetal weight. The accuracy of EFW compared to the birthweight was examined. We also assessed the sensitivity and specificity for diagnosis of small\u2010for\u2010gestational age (<jats:styled-content style=\"fixed-case\">SGA<\/jats:styled-content>) and large\u2013for\u2010gestational age (<jats:styled-content style=\"fixed-case\">LGA<\/jats:styled-content>) according to the <jats:styled-content style=\"fixed-case\">EFW<\/jats:styled-content>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Estimated fetal weight was similar to actual birthweight, with a mean percentage difference (<jats:styled-content style=\"fixed-case\">SD<\/jats:styled-content>) of 1.4(7.0) (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.44). The reliability coefficient of <jats:styled-content style=\"fixed-case\">EFW<\/jats:styled-content> compared to actual birthweight was 0.97 (95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> (0.96, 0.98)). There was no significant difference between the sonographers for EFWs and among the sonographers from the ultrasound scan to delivery interval. The sensitivity and specificity for detection of <jats:styled-content style=\"fixed-case\">SGA<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">LGA<\/jats:styled-content> were 93.3% and 99.3%, 60% and 95.6%, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>There is high reproducibility with minimum discrepancy from actual birthweight among sonographers 1\u00a0week prior to delivery using Hadlock formula with better prediction of <jats:styled-content style=\"fixed-case\">SGA<\/jats:styled-content> neonates.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ajo.12391","type":"journal-article","created":{"date-parts":[[2015,8,24]],"date-time":"2015-08-24T08:05:57Z","timestamp":1440403557000},"page":"49-53","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["A prospective pilot study in assessing the accuracy of ultrasound estimated fetal weight prior to delivery"],"prefix":"10.1111","volume":"56","author":[{"given":"Renuka","family":"Sekar","sequence":"first","affiliation":[{"name":"Royal Brisbane and Women's Hospital Brisbane Queensland Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mohsina","family":"Khatun","sequence":"additional","affiliation":[{"name":"QIMR Berghofer Medical Research Institute Brisbane Queensland Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Helen L.","family":"Barrett","sequence":"additional","affiliation":[{"name":"Internal Medicine, Royal Brisbane Womens Hospital Brisbane Queensland Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gregory","family":"Duncombe","sequence":"additional","affiliation":[{"name":"Royal Brisbane and Women's Hospital Brisbane Queensland Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2015,8,24]]},"reference":[{"key":"e_1_2_6_2_1","unstructured":"RCOG.NICE guidelines Antenatal care: routine care for the healthy pregnant women. 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