Funding for this research was provided by:
This work was supported by the Primary Care Research Fund in Region Uppsala and County Council, Uppsala.
Received: 4 November 2019
Accepted: 7 July 2020
First Online: 20 July 2020
Ethics approval and consent to participate
: Informed written consent was obtained from all participants upon their inclusion in the study. The SWEPP study included pregnant women from September 2012 to July 2013. The study was approved by the Regional Ethical Review Board in Uppsala, Sweden (2010/085).
: Not applicable.
: The authors declare that they have no competing interests.