STOP OVarian CAncer; Implementation of the Opportunistic Salpingectomy in the Netherlands

Inclusion Criteria: * Age from 30 years * Undergoing gynaecological surgery in which currently both ovaries and fallopian tubes would be preserved * Childbearing completed * Able to understand the written or spoken Dutch language * Consent for enrolment in database * Consent for yearly checks of PALGA database and municipal administration Exclusion Criteria: * Age under 30 years * Undergoing surgery without residual ovarian tissue * Child wish * Unable to understand the written or spoken Dutch language * Previous bilateral salpingectomy * Previous bilateral salpingo-oophorectomy