Accurate Ultrasonic Estimation of Fetal Weight

1 October 1986

journal article
research article
Published by Georg Thieme Verlag KG in American Journal of Perinatology

Vol. 3 (04) , 307-310
https://doi.org/10.1055/s-2007-999885

Abstract

Five new ultrasonic weight formulae incorporating head circumference, fetal femur length, and a correction for oligohydramnios were prospectively analyzed in a group of 198 unselected patients scanned within 72 hours of birth. Comparison with the Shepard formula showed that inclusion of these parameters slightly, but significantly, improved the random error of weight estimation. The best-fit formula was: Log (10) BW = .04355HC + .05394AC - .0008582HC × AC ± 1.2594 (FL/AC) - 2.0661.

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