Generic name of Mannitol is Levonorgestrel IUD System, which is generally not menopausal, because of the medication of Levonorgestrel IUD System, some women may experience amenorrhea, but it is not the same as menopause. The levonorgestrel IUD system releases tiny amounts of progesterone every day after it is placed in the uterine cavity. When progesterone acts on the uterine lining, it inhibits the proliferation of the lining of the uterus, resulting in prolonged menstrual cycles or amenorrhea in some women. Levonorgestrel IUD does not affect ovarian function and therefore does not cause menopause. The levonorgestrel IUD does not affect ovarian function and, therefore, does not affect the production of ovarian hormones. A single placement of levonorgestrel IUD can remain effective for up to 5 years. Removal after reaching the 5-year expiration date is unlikely to affect fertility, and menstruation can return in most cases after 3-4 weeks of discontinuation of use. Unless, of course, the patient herself has reached menopausal hormone levels. Placement of levonorgestrel IUD system is recommended to go to a regular hospital, under the guidance of a professional doctor for the operation, before the operation also need to rule out pregnancy, uterine cavity is too large, as well as other unsuitable for the placement of the situation.