Categorical variables were presented as absolute values and percentages. The following tests were used for group comparisons depending of the conditions of application: Chi-square test or Fisher’s exact test.

Abbreviations: BMI, Body Mass Index; HELLP, Hemolysis Elevated Liver Enzymes Low Platelet count. Results are presented as number (n) and percent (%).

Data are missing for primi-paternity, i.e., first pregnancy with a new partner (n=970), tobacco use (n=5), history of chronic hypertension (n=3), gestational hypertension (n=3), gestational diabetes (n=178), obstetrical hemorrhage (n=5), post-partum hypertension (n=818).