This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
[{'content': 'A 22-year-old P2L2, presented with a profuse bleed after a normal spontaneous vaginal delivery. Physical examination revealed a boggy uterus, and a bedside sonogram indicates the presence of placental tissue. Most probable diagnosis is \nSelect and explain. \nA. Succenturiate placenta, B. Vasa pre, C. Placenta pre, D. Membranaceous placenta', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Succenturiate placenta refers to placenta with additional lobe and this lobe is located a few centimetres away from the main lobe and it may be left behind after delivery and may present with PPH.', 'role': 'assistant'}]