Objective: To assess acceptability, efficacy and performance of LNG-IUS among women with abnormal uterine bleeding treated with LNG-IUS up to 5 years of insertion. Material and Methods: Prospective observational study of 33 women of AUB, in Department of Obstetrics and Gynecology, AIIMS, treated with LNG-IUS where medical management had failed. An IUS releasing 20 microgram/ day of LNG was inserted in the postmenstrual phase. Patients were followed at 3, 6, 12 months,2, 3 ,4 and 5 years of insertion and they were assessed for pictorial blood assessment chart(PBAC) score, user satisfaction , continuation rates. Hemoglobin was assessed at baseline, 3 and 6 months post insertion.