Table 2.
Neonatal outcome
| Variable | Induction of labour N = 220 | Spontaneous labour N = 242 | p value |
|---|---|---|---|
| First twin | |||
| Female sex | 101 (46) | 129 (53) | 0.11 |
| Birth weight, g | 2888 ± 431 | 2683 ± 476 | <0.001 |
| Small for gestational age1 | 22 (10) | 28 (12) | 0.57 |
| Apgar score < 7 at 5 minutes | 3 (1.4) | 3 (1.2) | 0.90 |
| Umbilical artery pH | 7.27 ± 0.4 | 7.30 ± 0.1 | 0.29 |
| Second twin | |||
| Female sex | 115 (51) | 112 (46) | 0.36 |
| Birth weight, g | 2844 ± 470 | 2689 ± 462 | <0.001 |
| Small for gestational age1 | 33 (15) | 18 (7) | 0.01 |
| Apgar score < 7 at five minutes | 5 (2.3) | 6 (2.5) | 0.90 |
| Umbilical artery pH | 7.21 ± 0.6 | 7.24 ± 0.1 | 0.36 |
Data are presented as n (%) and mean (standard deviation)
1Defined as more or less than ± 2 standard deviations (SD) of mean birth weight