<prompt> Which IUCD acts for 10 yearsCu-T 200 BNova-TCu-T 380AMulti load-250  <response>: Cu T 308A is approved for use for 10 years However, it is 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 