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': 'All are complications of fibroid in pregnancy except: \nSelect and explain. \nA. Red degeneration, B. Obstructed labor, C. PPH, D. Placenta previa', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]