The prenatal determination of fetal maturity by B-scan ultrasound. Comparison with a radiographic method.
D001724:Birth Weight; D005314:Embryonic and Fetal Development; D004838:Epiphyses / Q000000981:diagnostic imaging; D005189:False Positive Reactions; D005260:Female; D005270:Femur Head; D005333:Fetus / Q000000981:diagnostic imaging; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D011859:Radiography; D014465:Ultrasonics