This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
[{'content': "Kegel's exercises should begin : \nSelect and explain. \nA. Immediately after delivery, B. 24 hours after delivery, C. 3 weeks after delivery, D. 6 weeks after delivery", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Pelvic floor exercises were introduced by kegel in the 1950s in women suffering from stress incontinence. Studies recommend that pelvic floor muscle training can be offered as a first line conservative treatment in women. (refer pgno:350 sheila 2 nd edition)', 'role': 'assistant'}]