Oligomeganephronia with covered anus in twins.
D000015:Abnormalities, Multiple; D001006:Anus, Imperforate / Q000235:genetics*; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007668:Kidney / Q000002:abnormalities*; D008297:Male; D011247:Pregnancy; D014429:Twins, Dizygotic