The fact that you are still bleeding while taking Supplemental Jarrow, generically known as estradiol valerate tablets, may have something to do with taking it improperly or not taking enough hormone supplements. 1. Improper taking: This drug is a kind of estrogen, which must be taken regularly according to the regulations, and cannot be omitted or taken at a different time. Once you take it irregularly or omit to take it, it will cause vaginal bleeding symptoms during the period of taking it, which is related to the fluctuation of hormone levels. 2. Insufficient supplemental hormone: generally irregular vaginal bleeding patients taking estradiol valerate tablets to stop bleeding, the process may cause hormone deficiency and cause bleeding. Common adverse reactions of estradiol valerate tablets include nausea, vomiting, abdominal pain, itching and indigestion, etc. Undiagnosed vaginal bleeding and patients with suspected breast cancer are prohibited. In addition, the use of estradiol valerate tablets carries certain risks and requires the guidance of a specialist.