Placental teratomas.
D000328:Adult; D005321:Extraembryonic Membranes; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010920:Placenta; D011247:Pregnancy; D013724:Teratoma / Q000473:pathology*; D014594:Uterine Neoplasms / Q000473:pathology*