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Levonorgestrel-Releasing IUS

Meaning

The Levonorgestrel-Releasing Intrauterine System (IUS) is a highly effective, long-acting reversible contraceptive device that is placed directly into the uterine cavity. This T-shaped system functions by continuously releasing a small, localized dose of the synthetic progestin levonorgestrel. Beyond contraception, it is frequently utilized in gynecological health to manage heavy menstrual bleeding, alleviate symptoms of dysmenorrhea, and provide endometrial protection during systemic estrogen therapy. Its local action minimizes systemic hormonal exposure compared to oral contraceptives.