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': 'Combination hormone contraceptive are began after how many weeks following delivery ideally \nSelect and explain. \nA. 4 weeks, B. 6 weeks, C. 10 weeks, D. 12 weeks', 'role': 'user'}, {'content': "Answer: B \nExplanation: Combination hormonal contraceptives are started 6 weeks after delivery if breast feeding is well established and infant's nutritional status is surveiled.", 'role': 'assistant'}]