Menorrhagia, also known as heavy menstrual bleeding, is defined as a menstrual blood loss is greater than 80 mL. The objective measurement of menorrhagia is not easy in clinical practice, but often, the subjective complaint correlates well with the measured loss. Four types of treatments - hysterectomy, endometrial resection or ablation, levonorgestrel-releasing intrauterine system (LNG-IUS) and oral medical therapy, are available for management of menorrhagia. The article reviews the efficacy of LNG-IUS on menorrhagia and compares it to other treatment methods.