Table 1 Characteristics of the entire study group

Age [years]

33.1 (5.5)

Gestational age at entry to the study [GW]

16 (12–22)

Body weight before pregnancy [kg]

100 (90–115)

Body weight at the end of pregnancy [kg]

107 (94–119)

Body weight gain during pregnancy [kg]

3.0 (–1.0–8.0)

BMI before pregnancy [kg/cm²]

37.0 (33.0–42.2)

BMI at the end of pregnancy [kg/cm²]

37.9 (34.0–42.7)

HbA1c V0 [%, mmol/mol]

5.28 (4.92–5.60)

38.97 (36.30–41.33)

HbA1c V1 [%, mmol/mol]

5.08 (4.90–5.48)

37.50 (36.16–40.44)

HbA1c V2 [%, mmol/mol]

5.40 (5.13–5.80)

39.85 (37.86–42.80)