<prompt> CuT 380A IUCD should be replaced once in -4 yrs6 yrs8 yrs10 yrs  <response>: 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 