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': 'Ideal time for post paum ligation of fallopian tube in a patient of hea disease is : \nSelect and explain. \nA. Immediately after delivery, B. One day after delivery, C. One week after delivery, D. Six weeks after delivery', 'role': 'user'}, {'content': 'Answer: C \nExplanation: One week after delivery', 'role': 'assistant'}]