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': 'Puerperium is the period : \nSelect and explain. \nA. 6 weeks following delivery, B. 3 weeks following delivery, C. One week following delivery, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 6 weeks following delivery', 'role': 'assistant'}]