title: Three-dimensional ultrasonography.
authors: Obstetrics, Gynecology and Reproductive Sciences, College of Medicine, University of Saskatchewan.
authors: Roger
authors: R
authors: Pierson
mesh_terms: D004622:Embryo, Mammalian / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007091:Image Processing, Computer-Assisted; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D016216:Ultrasonography, Prenatal