title: [Determination of the prospective time of labor using ultrasonic fetometry].
abstract: The prediction of the date of delivery by ultrasonic fetometry.--On the basis of the biparietal diameter the accuracy of the prediction of the term amounts to 87.3% within +/- 15 days in patients with unknown last menstrual period. The result can be improved by examination in the second trimester, controls of progress and by truncometry.
mesh_terms: D002508:Cephalometry / Q000379:methods*; D005260:Female; D005865:Gestational Age; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy; D011336:Probability; D014463:Ultrasonography
vernacular_title: Zur Bestimung des voraussichtlichen Geburtstermins mit der Ultraschallfetometrie.