title: Concomitant occurrence of circumvallate placenta with single disc and bidiscoid placentas.
mesh_terms: D000818:Animals; D005260:Female; D000882:Haplorhini; D008992:Monkey Diseases; D010920:Placenta / Q000002:abnormalities* / Q000473:pathology; D011247:Pregnancy; D011248:Pregnancy Complications / Q000662:veterinary*