This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Demography and family planning, Subject name: Social & Preventive Medicine
CuT 380A IUCD should be replaced once in - 
Select and explain. 
A. 4 yrs, B. 6 yrs, C. 8 yrs, D. 10 yrs
D: 10 yrs
Answer: D: 10 yrs 
Explanation: Cu-T- 380A is approved for use for 10 years, but it has been demonstrated to maintain its efficacy over at least 12 years of use Reference : Park&;s textbook of preventive and social medicine, 23rd edition, Page no: 497