Table 1 Characteristics of the two deliveries (n = 75)
1st delivery | 2nd delivery | |
|---|---|---|
Maternal age (year), mean (SD) | 31.1 (4.6) | 33.5 (4.6) |
Maternal height (cm), mean (SD) | 158.6 (5.8) | 158.6 (5.8) |
Pre-pregnancy weight (kg), mean (SD) | 51.7 (6.8) | 52.1 (6.4) |
Pre-pregnancy BMI (kg/m2), mean (SD) | 20.5 (2.4) | 20.7 (2.3) |
Multiparity, n (%) | 0 (0.0) | 75 (100) |
Gestational week of delivery, mean (SD) | 39.7 (1.1) | 39.1 (1.1) |
Gestational weight gain (kg/40 weeks), mean (SD) | 10.9 (3.3) | 10.8 (2.9) |
Child sex: male, n (%) | 41 (55) | 36 (48) |
Birth weight (g), mean (SD) | 3043 (341) | 3000 (342) |
Birth length (cm), mean (SD) | 50 (1.8) | 50 (1.8) |
Head circumference (cm), mean (SD) | 33 (1.3) | 34 (1.1) |
Chest circumference (cm), mean (SD) | 32 (1.4) | 32 (1.6) |
BW/GA percentile, mean (SD) | 53.7 (27.9) | 47.9 (26) |
SGA, n (%) | 5 (6.7) | 5 (6.7) |