Funding for this research was provided by:
Region Örebro län (OLL-779831, OLL-839631, OLL-930507)
Universitetssjukhuset Örebro (OLL-410421)
Svenska Läkaresällskapet (SLS-250351)
Received: 30 April 2020
Accepted: 20 November 2020
First Online: 2 December 2020
Ethics approval and consent to participate
: Ethical approval was given by the Regional Ethical Review Board in Stockholm (registration number 2014/124–32). All participants gave written informed consent at inclusion into the study at maternity health care in early pregnancy.
: Not applicable.
: The authors declare that they have no competing interests.