Contraception
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The study was conducted to compare the levonorgestrel intrauterine system (LNG-IUS) and Copper T380A intrauterine device (IUD) in women with and without adenomyosis and to investigate the effects on menstruation and dysmenorrhea. ⋯ The LNG-IUS results in significant improvements in adenomyosis-associated heavy menstrual bleeding and dysmenorrhea. Moreover, this study also shows that it is an effective contraceptive method with significantly lower side effects compared to CuT 380A IUD except for acne.