The invasive breast cancer risk difference attributable to the hormone therapy was 0007 among women with first-degree family history. Its not fully understood why HRT increases the risk of breast cancer but research indicates that the higher levels of oestrogen help some breast cancers to grow.
If you have inherited the faulty breast cancer gene BRCA1 or 2 speak to your family history or genetics specialist before using HRT.
Hrt and family history of breast cancer. While HRT increases breast cancer. Many women decide the benefits of taking HRT outweigh the risks. Benefits and other risks of HRT.
Should I take HRT if I have a family history of breast cancer.