Vaisanin, generically known as Dinogestrel tablets, is usually taken by women for 3 to 6 months to stop menstruation. Individuals differ in their sensitivity to dienogest tablets, and there is some variability in the time it takes to cause menopause after taking dienogest tablets, with most patients taking 3-6 months. Dinogestrel tablets can be used for the treatment of endometriosis, which can counteract estrogen and promote the thinning of the uterine lining. After a period of treatment, the endometrium reaches a certain thickness after the endometrium will cause symptoms of menopause, which can relieve endometriosis. After stopping the medication, the endometrium will return to normal and cyclic menstruation will resume. Adverse effects of Dinogestrel tablets, including unexplained vaginal bleeding, spot bleeding and irregular bleeding, etc. Newly active venous thromboembolic disease and cardiovascular disease patients are prohibited. Warm reminder, dinogestrel tablets need to be taken under the guidance of a specialist, do not take medication without authorization.