The generic name of Dayin 35 is Ethinyl Estradiol Cyproterone Tablets. After taking ethinyl estradiol cyproterone tablets some patients will gain weight, but due to individual differences, it can not be determined how long after taking the drug will gain weight. Ethinylestradiol cyproterone tablets which contains ethinylestradiol, cyproterone and other estrogen and progesterone, estrogen will cause the body to occur after taking water and sodium retention, so some patients will have gained weight after taking the drug, but due to individual differences can not be sure how long it will take to gain weight. Ethinyl estradiol cyproterone tablets are commonly used short-acting contraceptives, not only can play the role of contraception, at the same time for irregular menstruation can adjust the menstrual cycle, this drug can also play a certain role in lowering androgen, clinically used in the treatment of polycystic ovary syndrome. Patients may experience breast tenderness and enlargement; gastrointestinal nausea and vomiting; and changes in vaginal secretions after taking it. For pregnant women, children and other people should be prohibited from taking this drug. For patients who need to take ethinyl estradiol cyproterone tablets, it is recommended that they go to the gynecology department of a regular hospital, and take it correctly under the guidance of a doctor, not blindly.