The lateral compression roentgenogram of the abdomen in pregnancy.
D001724:Birth Weight; D005260:Female; D005333:Fetus / Q000000981:diagnostic imaging*; D005865:Gestational Age; D006801:Humans; D008722:Methods; D010920:Placenta / Q000000981:diagnostic imaging; D011247:Pregnancy; D011860:Radiography, Abdominal