Ultrasonic fetal cephalometry--some improvements and future developments.
D002508:Cephalometry; D003626:Data Display; D005260:Female; D005333:Fetus; D006801:Humans; D008722:Methods; D011247:Pregnancy; D014159:Transducers; D014465:Ultrasonics / Q000295:instrumentation; D014463:Ultrasonography