Estrogen alone is not the issue when it comes to increasing the risk of breast cancer. The real issue is how is your estrogen being metabolized. You want to have your clinician order a test that evaluates the estrogen metabolites. **I usually recommend the Dutch Test (https://dutchtest.com) Here is an image demonstrating 2 and 16 hydroxyesterone and the ration between both which is predictive of breast cancer risk. The liver converts estrogens into estrogen metabolites. Three