Funding for this research was provided by:
A.P. Møller og Hustru Chastine Mc-Kinney Møllers Fond til almene Formaal
Odense University hospitals research foundation
The Region of Southern Denmark’s research foundation
The Danish Association of Midwives
Department of Gynecology and Obstetrics, Odense University hospital
Text and Data Mining valid from 2019-04-19
Received: 14 February 2019
Accepted: 12 April 2019
First Online: 19 April 2019
Compliance with ethical standards
: All procedures performed involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments. The study was approved by the Scientific Ethics Committee for the Region of Southern Denmark (S-20120213, 14.5.2013) and by the Danish Data Protection Agency (ID-2008-58-0035, 14.1.2015).
: Informed consent was obtained from all individual participants in the study.
: The authors report no conflict of interests.