Table 1 Anthropometric and demographic data of newborns

Gender: female/male (%/n)

50% (6)/50% (6)

46.2% (6)/53.8% (7)

χ² NS

Type of delivery: vaginal/cesarean (%/n)

50% (6)/50% (6)

53.8% (7)/46.2% (6)

Fisher NS

Gestational age (weeks)

39.21 (38.49–39.93)

39.48 (38.72–40.25)

t Student NS

Birth weight (kg)

3.2 (2.9–3.5)

4.3 (4.2–4.5)

t Student***

Birth weight (SDS or Z-score)

0.03 (-0.46–0.53)

2.68 (2.24–3.12)

t Student***

Birth length (cm)

49.2 (48.3–50.2)

53.0 (52.1–53.9)

t Student***

Birth length (SDS)

-0.23 (-0.65–0.19)

1.92 (1.30–2.55)

t Student***

Birth ponderal index

2.7 (2.52–2.88)

2.9 (2.75–3.05)

t Student NS

Head circumference (cm)

34.6 (33.8–35.3)

36.3 (35.7–37.0)

t Student*

Head circumference (SDS)

0.04 (-0.42–0.51)

1.24 (0.84–1.63)

t Student***