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
Total iron requirement during pregnancy: 
Select and explain. 
A. 500mg, B. 1000mg, C. 1500mg, D. 2000mg
B: 1000mg
Answer: B: 1000mg 
Explanation: Iron intake per day in Non-Pregnant woman is 21mg/day
Iron required per day in Non-pregnant woman is 1.6mg/day
Iron intake per day in Pregnant woman is 35mg/day
Iron requirement per day in pregnant woman is 2.8mg/day
Total iron requirement in pregnancy is 1000mg