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Ha LC, Craig A, Grace MR, Osmundson SS, Taylor EW, Zuckerwise LC. Accuracy of estimated fetal weight assessment in fetuses with abdominal wall defects. American journal of obstetrics & gynecology MFM. 2021 Dec;3(3). 100385 p. NIHMSID: NIHMS1713019.
Abstract
Gastroschisis and omphalocele are congenital abdominal wall defects in which the bowel and other abdominal contents extrude from the fetal abdominal cavity. Standard formulas for estimated fetal weight using ultrasound include fetal abdominal circumference measurement and have a range of error of approximately 10%. It is unknown whether the accuracy of estimated fetal weight assessment is compromised in fetuses with abdominal wall defects because of the extrusion of abdominal contents.