Table 2. Characteristics of the newborns.
| Total | Boys | Girls | |||||
| n = 1031 | n = 549 | n = 482 | |||||
| Mean | (SD) | Mean | (SD) | Mean | (SD) | p-value* | |
| Gestational age at birth (weeks) | 39.5 | (1.8) | 39.6 | (1.9) | 39.3 | (1.9) | 0.014 |
| Birthweight (g) | 3588 | (574) | 3667 | (576) | 3494 | (562) | <0.001 |
| Length (cm) | 50.8 | (2.3) | 51.3 | (2.3) | 50.3 | (2.2) | <0.001 |
| Head circumference (cm) | 35.0 | (1.6) | 35.4 | (1.5) | 34.6 | (1.6) | <0.001 |
| Placental weight (g) | 711 | (156) | 715 | (153) | 707 | (160) | 0.4 |
| Fetal/placental ratio | 5.17 | (0.9) | 5.26 | 5.08 | (0.8) | 0.001 | |
*difference between boys and girls, independent sample t-test.