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': 'Classical cesarean section is indicated in all except : \nSelect and explain. \nA. Post Moam delivery, B. Lower segment fibroid, C. Post RVF repair, D. Post VVF repair', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Lower segment fibroid', 'role': 'assistant'}]