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: Gynaecology & Obstetrics
[{'content': 'How do you manage placenta accreta \nSelect and explain. \nA. Low transverse cesarean; hysterectomy, B. Classical cesarean; hysterectomy, C. Classical cesarean; myometrial resection, D. Low vertical cesarean; hysterectomy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Classical cesarean is done to delivery fetus, to avoid the placenta and profuse hemorrhage before fetal delivery. After which, placenta is left in-situ and hysterectomy is done.', 'role': 'assistant'}]