Robsahm, Trude E. https://orcid.org/0000-0002-1652-7734
Støer, Nathalie C. https://orcid.org/0000-0001-8994-9332
Bø, Kari https://orcid.org/0000-0003-1176-9272
Hofvind, Solveig https://orcid.org/0000-0003-0178-8939
Funding for this research was provided by:
Norwegian Institute of Public Health
Article History
Received: 12 December 2025
Accepted: 5 May 2026
First Online: 4 July 2026
Declarations
Competing interests: The authors declare no competing interests.
Ethical approval: The study has legal basis in accordance with Articles 6 (1) (e) and 9 (2) (j) of the GDPR and was approved by the Regional Committee for Medical and Health Research Ethics (REC #510838). The data were disclosed on a legal basis in the Health Register Act, Sects. 19 e and 19 (17) and "Regulation on national solutions for accessibility of health data" (18).
Consent to participate: As the data were disclosed on a legal basis in the Health Register Act, Sects. 19 e and 19 and "Regulation on national solutions for accessibility of health data", no written informed consent was needed from the participants in the study.
Consent to publication: Only data from women who have not opted out from allowing their screening information to be used for quality assurance, improvement, or research were included.