title: Comparison of ultrasound cephalometry, radiology, and liquor studies in patients with unknown confinement dates.
abstract: The accuracy of predicting fetal maturity by ultrasound cephalometry, radiology, and liquor studies in patients with unknown confinement dates has been compared. The best prediction was given by ultrasound cephalometry. Liquor studies were least helpful.
mesh_terms: D000649:Amniocentesis; D000653:Amniotic Fluid / Q000032:analysis* / Q000166:cytology; D001034:Apgar Score; D002508:Cephalometry; D003401:Creatine / Q000032:analysis; D005260:Female; D005313:Fetal Death; D005333:Fetus / Q000000981:diagnostic imaging*; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D011859:Radiography; D013194:Staining and Labeling; D013997:Time Factors; D014463:Ultrasonography
chemical_list: D003401:Creatine