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Article History

Received: 25 April 2022

Accepted: 25 May 2022

First Online: 4 July 2022

Declarations

:

: The authors declare no competing interests.

: All authors have completed the Unified Competing Interest form (available on request from the corresponding author) and declare: no support from any organization for the submitted work; no financial relationships with any organizations, that might have an interest in the submitted work in the previous 3 years, no other relationships or activities that could appear to have influenced the submitted work.

: I, the leading author, affirms that the manuscript is an honest, accurate, and transparent account of the study being reported, that no important aspects of the study have been omitted, and that any discrepancies from the study as planned have been explained.

: The study was approved by the Danish Data Protection Agency (journal number: 1–16-02–197-15). Data were accessed and analyzed anonymously via secure remote desktop access to Statistics Denmark.Patient and public involvement.This study is a nationwide registry-based cohort study of more than 1 million Danish women. Neither study participants nor the public were involved in the study design, conduct, data analysis, reporting, or planning of our research.

: The study sponsors and funders had no role in the study design, in collection, analysis, and interpretation of data, in the writing of the report, nor in the decision to submit the article for publication. I, the leading author, confirm the independence of researchers from funders. I confirm that all authors had full access to all of the data (including statistical reports and tables) in the study and can take responsibility for the integrity of the data and the accuracy of the data analysis.