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
[{'content': 'Daily Iodine requirement during pregnancy is \nSelect and explain. \nA. 75mcg, B. 150mcg, C. 220mcg, D. 500mcg', 'role': 'user'}, {'content': "Answer: C \nExplanation: Recommendation of the daily requirement of iodine during pregnancy is 220mcg and during lactation is 290mcg.(Ref: William's Obstetrics; 25th edition)", 'role': 'assistant'}]