Mirena should be changed after how many years :: (A) 2 years, (B) 4 years, (C) 5 years, (D) 10 years
Answer is C. Mirena: Contains 52 mg of levonorgestrol Releases hormone in very low doses Acts for a period of 5years Has low pregnancy rate of 0-3 per 100 women years Ref: Shaw Gynecology 17 e pg 258.