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
Cu-T 380A IUCD should be replaced once in: 
Select and explain. 
A. 4 years, B. 6 years, C. 8 years, D. 10 years
D: 10 years
Answer: D: 10 years 
Explanation: 10 years