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: Social & Preventive Medicine
[{'content': 'Iron requirement per day in pregnant woman is \nSelect and explain. \nA. 1.6mg/day, B. 2.8mg/day, C. 4 mg/day, D. 65 mg/day', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Iron intake per day in Non-Pregnant woman is 21mg/day\nIron required per day in Non-pregnant woman is 1.6mg/day\nIron intake per day in Pregnant woman is 35mg/day\nIron requirement per day in pregnant woman is 2.8mg/day\nTotal iron requirement in pregnancy is 1000mg', 'role': 'assistant'}]