An improved method of fetal cephalometry by ultrasound.
D002508:Cephalometry / Q000295:instrumentation; D005314:Embryonic and Fetal Development; D005260:Female; D006801:Humans; D008722:Methods; D010294:Parietal Bone / Q000254:growth & development; D011247:Pregnancy; D011295:Prenatal Care; D014465:Ultrasonics / Q000295:instrumentation