Depending on the purpose of treatment, medroxyprogesterone acetate dispersible tablets can be taken for a long time. This highly effective progestin is mainly used for precancerous lesions of the endometrium, for which treatment is usually given for 3-6 months, and then the endometrium is reviewed to see if there is a normal reversal of the endometrium. Often, women with precancerous endometrial lesions who want to preserve their reproductive function are treated conservatively with medication to reduce the damage of surgery to women. Short-term treatment with medication is not effective, so treatment with this highly effective progestin are at least 3 months, 3 months as a treatment cycle, to test whether the drug changes in the endometrium are corrected, if the effect is not good, according to the degree can continue to use medication.