title: Three-dimensional sonographic volumetry of the gestational sac and the amniotic sac in the first trimester.
authors.forename: Amir
authors.initials: A
authors.lastname: Weissman
authors.forename: Marwan
authors.initials: M
authors.lastname: Odeh
mesh_terms: D000650:Amnion / Q000000981:diagnostic imaging*; D000653:Amniotic Fluid / Q000000981:diagnostic imaging; D005260:Female; D005865:Gestational Age; D006801:Humans; D021621:Imaging, Three-Dimensional / Q000379:methods*; D049451:Nomograms; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D016216:Ultrasonography, Prenatal / Q000379:methods*; D015017:Yolk Sac / Q000000981:diagnostic imaging*