Amenorrhea rates and predictors during 1 year of levonorgestrel 52 mg intrauterine system use

This information provides more data for clinicians when counseling women about amenorrhea expectations, especially since women seeking a levonorgestrel 52 mg IUS for contraception are different than women desiring treatment for heavy menstrual bleeding. Amenorrhea at 12 months is most common among women with shorter baseline duration of menstrual flow.