The generic name of Daying is ethinyl estradiol cyproterone tablets, and there are various reasons why uterine adenomyosis still bleeds after taking ethinyl estradiol cyproterone tablets, including abnormal hormone secretion, endometrial pathology or uterine polyps, and so on. 1. abnormal hormone secretion: adenomyosis belongs to estrogen-dependent diseases, ethinyl estradiol cyproterone tablets is a combination of estrogen and progesterone preparations. After taking this medicine, the hormone secretion in the body is abnormal, which leads to bleeding. In this case, you can change the dosage and method of taking the medicine or change other medicines under the guidance of your doctor. 2. endometriosis: after taking ethinyl estradiol cyproterone tablets, there is still bleeding, it may be adenomyosis combined with endometriosis, you can do ultrasound or endometrial diagnostic scraping to determine. 3. Uterine polyps: when there are single or multiple polyps in the uterus, there may also be bleeding after taking ethinyl estradiol cyproterone tablets. At this time should be carried out further examination such as ultrasound, hysteroscopy, etc., to determine whether there are polyps. Therefore, when a patient suffering from adenomyosis is still bleeding after taking ethinyl estradiol cyproterone tablets, he should go to the hospital to find out the cause of the disease and have it treated in a timely manner.