Fig. 2: Preconceptional BMI.
From: Obesity in pregnant women: a 20-year analysis of the German experience

Development of the BMI repartition of pregnant women in Schleswig-Holstein (1995–7 and 2004–17) according to the WHO body weight classification of adults (underweight, normal weight; pre-obesity, obesity I°, II° und III°): significant increasing percentage and Odds ratio for maternal obesity.