Assessment of gestational age and prediction of dysmaturity by ultrasonic fetal cephalometry.
D002508:Cephalometry; D005314:Embryonic and Fetal Development; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D011273:Pregnancy, Prolonged; D013223:Statistics as Topic; D014463:Ultrasonography