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': 'Couvelaire uterus is present : \nSelect and explain. \nA. Placenta prae, B. Abruptio placenta, C. Vasa pre, D. All of he above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Abruptio placenta', 'role': 'assistant'}]