Table 1 Descriptive characteristics of the study population.

From: Associations of ultrasound estimated early mid pregnancy visceral and subcutaneous fat depths and early pregnancy BMI with adverse neonatal outcomes

 

Variable

Cohort

Women

N

2771

Age, years (mean, range)

30.3 (16‒45)

Nulliparous, n (%)

1185 (42.8)

Early pregnancy BMI kg/m2 (mean ± SD)

25.1 ± 5.0

BMI < 18.5 kg/m2 (underweight), n (%)

62 (2.2)

BMI 18.5–24.9 kg/m2 (normal weight), n (%)

1568 (56.6)

BMI 25.0–29.9 kg/m2 (overweight), n (%)

703 (25.4)

BMI ≥ 30.0 kg/m2 (obesity), n (%)

438 (15.8)

Smoking at first antenatal visit, n (%)

99 (3.6)

Country of birth within the EU, n (%)

2399 (86.6)

Gestational diabetes mellitus, n (%)

35 (1.3)

Offspring

N

2771

Gestational length, days (mean ± SD)

278 ± 12

Preterm, n (%)

118 (4.3)

Post-term, n (%)

150 (5.4)

Birthweight, g (mean ± SD)

3576 ± 530

Small for gestational age, n (%)

26 (0.9)

Large for gestational age, n (%)

134 (4.9)

  1. BMI body mass index, preterm, < 37 + 0 weeks of gestation; post-term, > 41 + 6 weeks of gestation; small for gestational age, birthweight below minus two standard deviation scores of the mean birthweight for the gestational age and sex30; large for gestational age, birthweight above plus two standard deviation scores of the mean birthweight for the gestational age and sex30.
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