Does removing both ovaries prior to menopause reduce breast cancer risk in BRCA1 and BRCA2 mutation carriers?

You might be wondering if removing your ovaries and fallopian tubes before menopause can lower your chance of getting breast cancer, especially if you have a change in your BRCA1 or BRCA2 gene. These gene changes are known to increase the risk of certain cancers. Currently, medical experts don't all agree on whether this operation truly helps reduce breast cancer risk for women with BRCA gene changes, and there are no clear international guidelines.

Because it would be very difficult to carry out a new study where women are asked to choose between surgery and no surgery, researchers are taking a different approach. They are looking at existing health records and information from many women who have already been part of other health studies. By combining and carefully analysing all this data, they hope to get a clearer picture. They want to understand if this operation makes a difference for breast cancer risk in women with BRCA1 and BRCA2 gene changes, and whether having the operation at a younger age is more effective.

This study won't involve any new treatments or procedures for patients. Instead, it's about making sense of information that has already been collected. The results could be very important in helping doctors and genetic counsellors give better advice to women who carry these gene changes about how to manage their cancer risk.