title: Use of ultrasound in obstetrics.
authors.affiliation: Northeastern Ohio Universities College of Medicine, Youngstown.
authors.forename: O F
authors.initials: OF
authors.lastname: Khawli
authors.forename: B M
authors.initials: BM
authors.lastname: Rothschild
mesh_terms: D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging; D005544:Forecasting; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011263:Pregnancy Trimester, Third; D016216:Ultrasonography, Prenatal / Q000639:trends