Carriers of BRCA1 gene mutation who are diagnosed with breast cancer are less likely to die if they have their ovaries removed , study found . But the theory does not apply for those with BRCA2 gene mutation . Having the BRCA1 or BRCA2 genes increase risk of breast cancer by 70 % . Experts said benefits of having ovaries removed lasted for 15 years .
Carriers of BRCA1 gene mutation who are diagnosed with breast cancer are less likely to die if they have their ovaries removed , study found . But the theory does not apply for those with BRCA2 gene mutation . Having the BRCA1 or BRCA2 genes increase risk of breast cancer by 70 % . Experts said benefits of having ovaries removed lasted for up to 15 years .