Table 2 Patients’ characteristics by surgical status in post-bariatric pregnancy and in non-surgical controls. Data are presented as mean (SD) or percentages

Maternal

Age, yrs

32.1 (5.7)

31.2 (4.2)

0.215

Pre-pregnant BMI, kg/m2

30.8 (6.0)

25.2 (5.4)

< 0.001*

Pre-pregnant obesity (BMI ≥ 30 kg/m2)

30 (52%)

25 (18%)

< 0.001*

Maternal weight gain, kg

13.3 (9.6)

14.8 (6.5)

0.228

Type 2 diabetes

1 (2%)

0 (0%)

0.289

HbA1c, mmol/mol

30.2 (7.1)

31.1 (3.6)

0.234

Gestational diabetes

3 (5%)

7 (5%)

1.000

Sectio

11 (20%)

20 (15%)

0.384

Higher education

24 (43%)

103 (72%)

< 0.001*

Current smoker

5 (9%)

0

0.001*

Child

Gestasjonal age, weeks

38.5 (3.1)

39.3 (2.1)

0.054

Birthweight, g

3363 (624)

3520 (521)

0.081

Preterm birth

3 (6%)

11 (8%)

0.761