BRCA1 and breast cancer: At inclusion, 56.3% of BRCA1 female PV carriers were diagnosed with BC (mean age at diagnosis: 41.3, range 22–81), 18.3% were diagnosed with OC or fallopian tube cancer (mean age at diagnosis: 51.9, range 16–92) and 33.2% were free of these cancers (mean age at inclusion: 40.5, range 18–101).