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': 'Induction of labor is done in all except: \nSelect and explain. \nA. Hea disease, B. Preeclampsia, C. Abruptio placenta hemorrhage, D. Chronic poiyhydromnios', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hea disease', 'role': 'assistant'}]