TUBectomy With Delayed Oophorectomy in High Risk Women to Assess the Safety of Prevention

Inclusion Criteria: * Women with a class 5 (definitely pathogenic) BRCA1, BRCA2, RAD51C, RAD51D or BRIP1 germline mutation in one of the participating centers. * Age at inclusion; * BRCA1: 25-40 yearsAge * BRCA2: 25-45 years * RAD51C, RAD51D, BRIP1: 25-50 years * Childbearing completed * Presence of at least one fallopian tube * Participants may have a personal history of non-ovarian malignancy * Informed consent must be obtained and documented according to national and local regulatory requirements and the local rules followed in the institution. Exclusion Criteria: * Postmenopausal status (natural menopause or due to treatment) * Wish for second stage RRO within two years after RRS * Legally incapable * Prior bilateral salpingectomy * A personal history of ovarian, fallopian tube or peritoneal cancer * Current diagnosis or treatment for malignant disease