The effects of megestrol tablets include contraception, treatment of abnormal bleeding, treatment of hormone-dependent tumors, and treatment of endometrial diseases. Medroxyprogesterone Tablets are commonly used clinically for contraception.1. Contraception: Medroxyprogesterone Tablets are preparations consisting of derivatives of progestin and estrogen. The derivatives of progestin are able to block the implantation of pregnant eggs and increase the viscosity of cervical mucus, preventing sperm penetration. The derivatives produced by estrogen can block the release of pituitary gonadotropins, causing an obvious ovulatory antagonistic effect, and therefore act as contraceptives; 2. Treatment of abnormal bleeding: Medroxyprogesterone tablets are progestin-based drugs, which can be used to regulate abnormal bleeding caused by progesterone deficiency, and can also be used to treat recurrent miscarriage, frequent menstruation and luteal insufficiency; 3. Treatment of endometrial diseases: Medroxyprogesterone tablets It has a stronger effect on endometrial transformation and can be used for the treatment of amenorrhea, functional uterine bleeding and endometriosis; 4. Treatment of hormone-dependent tumors: Medroxyprogesterone Tablets control the development and growth of ovarian follicles through its effect on pituitary gonadotropin secretion, thus reducing estrogen production and inhibiting the growth of tumor cells. It is mainly used for the treatment of advanced breast cancer and advanced endometrial cancer. Medroxyprogesterone tablets have certain side effects, such as dizziness, nausea, vomiting, insomnia, fatigue, etc. A few patients may have allergic reactions such as measles, acne, etc. Therefore, patients should go to a regular hospital for examination before taking them, and administer the medication according to the doctor’s advice and the results of diagnosis.