{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T23:45:03Z","timestamp":1790034303793,"version":"4.0.1"},"reference-count":36,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2021,1,21]],"date-time":"2021-01-21T00:00:00Z","timestamp":1611187200000},"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":["Acta Obstet Gynecol Scand"],"published-print":{"date-parts":[[2021,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>Current models based on fetal biometry and maternal characteristics have a poor performance in predicting macrosomia. The primary aim of this study was to elucidate the diagnostic performance of fetal venous and arterial Dopplers in predicting macrosomia in the third trimester of pregnancy; the secondary aim was to build a multiparametric prediction model including pregnancy, ultrasound and Doppler characteristics able to predict macrosomia accurately.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and methods<\/jats:title><jats:p>Prospective cohort study including 2156 singleton pregnancies scheduled for routine ultrasound assessment at 36\u00a0weeks of gestation. Fetal biometry, estimated fetal weight (EFW), pulsatility index of the uterine, umbilical, and middle cerebral arteries, cerebroplacental ratio and umbilical vein blood flow (UVBF) normalized for fetal abdominal circumference (UVBF\/AC) were recorded. Primary outcome was the prediction of fetal macrosomia, defined as a birthweight &gt;90th percentile; secondary outcome was the prediction of newborns &gt;4000\u00a0g. Logistic regression and area under the curve (AUC) analyses were used to analyze the data.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Fetal macrosomia complicated 9.8% of pregnancies, and 7.7% of newborns had a birthweight &gt;4000\u00a0g. At multivariate logistic regression analysis, maternal body mass index (adjusted odds ratio [aOR] 1.23), pregestational diabetes (aOR 1.83), a prior newborn with a birthweight &gt;95th centile (aOR 1.49), EFW (aOR 2.23) and UVBF (aOR1.84) were independently associated with macrosomia, whereas gestational diabetes mellitus (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.07) or any of the other Doppler parameters were not. EFW had an AUC of 0.750 and of 0.801 alone and in association with maternal characteristics for the prediction of macrosomia, respectively. The addition of UVBF to this model significantly improved the prediction of fetal macrosomia provided by maternal and ultrasound parameters with an AUC of 0.892 (De Long <jats:italic>P<\/jats:italic>\u00a0=\u00a0.044 and <jats:italic>P<\/jats:italic>\u00a0=\u00a0.0078, respectively). The predictive performance for birthweight &gt;4000\u00a0g was similar and significantly improved when UVBF was included in the diagnostic algorithm.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Umbilical vein blood flow evaluation in the third trimester improves the diagnosis of fetal macrosomia. The optimal diagnostic performance for macrosomia is achieved by a multiparametric model including umbilical vein flow, maternal characteristics and EFW.<\/jats:p><\/jats:sec>","DOI":"10.1111\/aogs.14047","type":"journal-article","created":{"date-parts":[[2020,11,21]],"date-time":"2020-11-21T03:05:33Z","timestamp":1605927933000},"page":"900-907","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["The added value of umbilical vein flow in predicting fetal macrosomia at 36\u00a0weeks of gestation: A prospective cohort study"],"prefix":"10.1111","volume":"100","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5525-4353","authenticated-orcid":false,"given":"Giuseppe","family":"Rizzo","sequence":"first","affiliation":[{"name":"Division of Maternal Fetal Medicine Ospedale Cristo Re Universit\u00e0 di Roma Tor Vergata Rome Italy"},{"name":"Department of Obstetrics and Gynecology The First I.M. 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