Didrogestrel tablets are a kind of progestin, mainly used clinically for the treatment of diseases caused by endogenous progesterone deficiency, with the functions of fetus preservation, menstrual regulation and treatment of endometriosis, dysfunctional uterine bleeding and infertility. 1. fetus preservation: Didrogestrel tablets are effective for women with luteal hypoplasia in early pregnancy, and can be taken orally for fetus preservation when pregnant women have vaginal bleeding, abdominal pain and other signs of miscarriage. 2. It is effective in improving dysmenorrhea, menstrual disorders and premenstrual syndrome. They can be taken one week before the next menstrual period to postpone the onset of menstruation, or during the second half of the menstrual period to bring forward the onset of menstruation. This disease mostly occurs in women of childbearing age and manifests as dysmenorrhea, chronic pelvic pain and abnormal menstruation, which can be relieved by taking oral drospirenone tablets; 4. The use of drospirenone tablets can improve the chances of pregnancy. Patients who are allergic to the ingredients of the drug or have unexplained vaginal bleeding are forbidden to use the drug privately. It is also necessary to pay attention to side effects such as bleeding, headache, allergy, etc. If the side effects are obvious, it is recommended to stop the medication and seek medical attention.