This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abnormal labor, Subject name: Gynaecology & Obstetrics
[{'content': 'Indications for cesarean hysterectomy are all except \nSelect and explain. \nA. Placenta accreta, B. Couvelaire uterus, C. Atonic uterus with uncontrolled PPH, D. Rupture uterus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Indications of caesarean hysterectomy include rupture of uterus,placenta accreta or morbidly adherent placenta,atonic uterus with uncontrolled PPH,big fibroid Couvelaire uterus which is a severe form of concealed abruptio placenta is not an indication for caesarean hysterectomy. (DC Dutta TB of obstetrics 8th edtn pg 679)', 'role': 'assistant'}]