Correction to: BMC Pregnancy Childbirth 21, 369 (2021)

https://doi.org/10.1186/s12884-021-03826-1

Following publication of the original article [1], the authors identified an error in the author name of Eva Cignacco.

The incorrect author name is: Eva Cignacco Müller

The correct author name is: Eva Cignacco

The original article [1] has been updated.