<prompt> Life span of CuT 380 A is -10 years8 years4 years5 years  <response>: Ans. is a i.e., 10 years o The longest life span is of CuT380A: 10 years.IUDsLife spanFirst generation:Lippes loop obsolete--Second generationCopper-T--CuT-200-B4 yrCuT-2003yrCuT-220C--Nova-T5 yrMultiload - 2503 yr3755 yrCuT-3 80A10 yrThird generationProgestasert1 yrLNG-20 Mirena5 yr Ref: Novak p263; Note that Park mentions the life span of mirena to be 10 yrs 