Correction to: BMC Pregnancy and Childbirth (2020) 20:255

https://doi.org/10.1186/s12884-020-02947-3

Following publication of the original article [1], the authors identified an error in Fig. 1. The correct figure is given below.

Fig. 1
figure 1

Weight gain patterns for 888 women hospitalized for hyperemesis gravidarum according to their prepregnancy body mass index (BMI) categories. Weight measured during 3-weeks interval during pregnancy until delivery. Comparisons by Kruskal-Wallis test

The original article has been corrected.