FETAL AGE AS DETERMINED BY X-RAY.
D000375:Aging; D001835:Body Weight; D001837:Body Weights and Measures; D005260:Female; D005333:Fetus; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D011859:Radiography; D014965:X-Rays
AGING; BODY WEIGHT; FETUS; PREGNANCY; RADIOGRAPHY