Table 5.
Trends in labor induction and cesarean delivery rates and neonatal mortality rates among twin birth: 1995–2006
| Gestational age (weeks) | Rate per 100 live births | |||||
|---|---|---|---|---|---|---|
| Labor induction | Cesarean delivery | |||||
| 1995–96 | 2005–06 | % Change | 1995–96 | 2005–06 | % Change | |
| 20–28 | 4.6 | 2.3 | −50 | 51.5 | 72.3 | +40 |
| 29–33 | 5.8 | 3.5 | −40 | 59.2 | 77.0 | +30 |
| 34–36 | 10.6 | 9.4 | −11 | 53.1 | 71.9 | +35 |
| 37+ | 15.9 | 17.5 | +10 | 51.9 | 69.1 | +33 |
| Total | 12.0 | 11.0 | −8 | 53.3 | 71.7 | +35 |
| Neonatal mortality rate per 1000 live births by labor induction and cesarean delivery | ||||||
|---|---|---|---|---|---|---|
| Labor Induction | Cesarean delivery | |||||
| 1995–96 | 2005–06 | % Change | 1995–96 | 2005–06 | % Change | |
| 20–28 | 199.5 | 219.8 | +10 | 135.3 | 128.2 | −5 |
| 29–33 | 13.6 | 6.8 | −50 | 17.0 | 12.3 | −28 |
| 34–36 | 3.3 | 1.3 | −61 | 4.9 | 2.7 | −45 |
| 37+ | 1.9 | 1.3 | −32 | 2.6 | 1.4 | −46 |
| Total | 6.2 | 4.3 | −31 | 13.4 | 11.2 | −16 |
The labor induction and cesarean section estimates are not mutually exclusive.