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
Calcium requirement per day during the third trimester of pregnancy : 
Select and explain. 
A. 20 mg, B. 100 mg, C. 750 mg, D. 1000 mg
D: 1000 mg
Answer: D: 1000 mg 
Explanation: 1000 mg