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': 'In Iron deficiency anemia, after haemoglobin level has returned to normal so that iron stores are replenished. The Iron tablets should be recommended for – \nSelect and explain. \nA. 0 – 3 months, B. 3 – 6 months, C. 6 –12 months, D. 12 – 24 months', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]