Table 1 Demographic data of studied groups

Maternal age _{mean ± SD}

30.21 ± 2.13

33.42 ± 5.11

31.34 ± 3.15

P1 < 0.001

P2 = 0.281

Maternal BMI (kg/m2) _{mean ± SD}

23.25 ± 4.17

38.21 ± 3.15

24.81 ± 5.13

P1 < 0.001

P2 = 0.462

Maternal weight gain (kg) _{mean ± SD}

13.41 ± 2.25

12.37 ± 7.43

13.62 ± 5.15

P1 = 0.384

P2 = 0.627

Socioeconomic Score _{N (%)}

(High score = 1–3)

25 (83.3%)

24 (92.3%)

20 (90.9%)

P1 = 0.015

P2 = 0.002