The efficacy and safety of LNG-IUSs use in women with symptomatic uterine leiomyoma.
LNG-IUSs could decrease uterine volume and endometrial thickness.
LNG-IUSs could reduce menstrual blood loss.
LNG-IUS expulsion was related to leiomyoma size.
LNG-IUSs have no adverse effects on the ovarian function except for ovarian cysts.