Fetus papyraceus.
D000013:Congenital Abnormalities / Q000209:etiology; D004200:Diseases in Twins; D005260:Female; D005315:Fetal Diseases / Q000150:complications*; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D014430:Twins, Monozygotic