This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
[{'content': 'Daily requirement of iron in pregnancy is - \nSelect and explain. \nA. 1 mg, B. 2 mg, C. 3 mg, D. 35 mg', 'role': 'user'}, {'content': "Answer: D \nExplanation: In pregnancy the iron requiremrnt is 35mg/dl.REF.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE.Editon-21.Page no.-588. Table no.29", 'role': 'assistant'}]