Darien 35, also known as ethinyl estradiol cyproterone tablets, can suppress ovulation when taken starting on the fifth day after an abortion. Starting ethinyl estradiol cyproterone tablets on the fifth day after an abortion can suppress ovulation. The medication works by suppressing ovulation, thus producing a contraceptive effect. Abortion may cause damage to the lining of the uterus and taking ethinyl estradiol cyproterone tablets after abortion is good for the recovery of the lining of the uterus. The contraceptive effect of ethinyl estradiol cyproterone tablets is the result of the interaction of a variety of factors, mainly through the inhibition of ovulation, change the cervical mucus secretion to achieve contraceptive effect, in addition to contraceptive effect can also reduce menstrual cramps, reduce the amount of bleeding, so that the menstrual cycle more regular. Adverse effects of ethinyl estradiol cyproterone tablets are mainly breast tenderness, secretion, enlargement, pain, headache, migraine, change in libido, nausea, vomiting, weight change, liver function abnormalities. It is contraindicated if the user has a history of migraine with focal neurological symptoms, diabetes mellitus with vascular involvement, the development of thrombotic precursors, pancreatitis associated with hypertriglyceridemia, benign or malignant liver tumors, etc., breastfeeding, known or suspected pregnancy. The use of specific drugs need to be under the guidance of a professional doctor, do not judge the use of drugs on their own to avoid danger.