This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Gynaecology & Obstetrics
Daily Iodine requirement during pregnancy is 
Select and explain. 
A. 75mcg, B. 150mcg, C. 220mcg, D. 500mcg
C: 220mcg
Answer: C: 220mcg 
Explanation: Recommendation of the daily requirement of iodine during pregnancy is 220mcg and during lactation is 290mcg.(Ref: William's Obstetrics; 25th edition)