<prompt> CuT 380A IUCD should be replaced once in ?4 yrs6 yrs8 yrs10 yrs  <response>: Ans. is d i.e., 10 yrs The Cu-T 380A is approved for use for 10 years. However; the Cu-T 380A has been demonstrated to maintain its efficacy over at least 12 years of use. 