Ultrasonic prenatal diagnosis of fetus in fetu.
D000008:Abdominal Neoplasms / Q000175:diagnosis; D000328:Adult; D005260:Female; D005333:Fetus; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014427:Twins; D014463:Ultrasonography