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
What is the total iron requirement during pregnancy ? 
Select and explain. 
A. 500 mg, B. 750 mg, C. 1000 mg, D. 1500 mg
C: 1000 mg
Answer: C: 1000 mg 
Explanation: Total iron requirement during pregnancy is 1000 mg, this requirement is mostly limited to last 12 weeks. In second half of pregnancy daily requirement of iron is around 6-7 mg