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': 'Following delivery when does maximal milk output occur in the mother? \nSelect and explain. \nA. 3 months, B. 5 months, C. 9 months, D. 12 months', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Under normal conditions breast milk production reaches a maximum when the baby is around 4 - 6 months.', 'role': 'assistant'}]