This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
[{'content': 'A 22-year-old G3P2 presented with profuse bleed after a normal spontaneous vaginal delivery.Physical exam reveals 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 previa, C. Placenta previa, D. Membranaceous placenta', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Succenturiate placenta refers to placenta with additional lobe and this lobe is located a few centimeters away from main lobe and it may be left behind after delivery and may present with PPH', 'role': 'assistant'}]