Three-Dimensional Sonographic Volumetry of the Gestational Sac and the Amniotic Sac in the First Trimester

Abstract

Gestational sac and amniotic sac volumes show excellent correlation with the GA and CRL and hence may be used for determining the GA. Larger studies are needed to determine the importance of these volumes in predicting normal pregnancy outcomes and whether these volumes can be used in the management of pregnancies at risk for abortion.