FETAL DEVELOPMENT AS DETERMINED BY ULTRASONIC PULSE ECHO TECHNIQUES.
D001835:Body Weight; D002508:Cephalometry; D005260:Female; D047109:Fetal Development; D005333:Fetus; D006339:Heart Rate; D006801:Humans; D008796:Metrorrhagia; D011247:Pregnancy; D013909:Thorax; D014465:Ultrasonics
BODY WEIGHT; CEPHALOMETRY; FETUS; METRORRHAGIA; PREGNANCY; THORAX; ULTRASONICS