Number of births | 510006 | 160160 | 186310 | 163536 |
Age of women at delivery (mean and SD) | 29.7 (5.55) | 29.5 (5.51) | 29.7 (5.53) | 30.0 (5.60) |
Percentage of primiparous women | 40.6 | 40.2 | 41.0 | 40.4 |
Percentage of male babies | 50.9 | 50.9 | 51.0 | 50.9 |
Place of birth |
Hospital (%) | 94.5 | 94.9 | 94.6 | 94.0 |
Birth centre (%) | 3.30 | 3.2 | 3.2 | 3.7 |
Planned birth centre transferred to hospital (%) | 1.30 | 1.1 | 1.4 | 1.4 |
Planned Home Birth (%) | 0.20 | 0.2 | 0.2 | 0.2 |
Planned Home Birth transferred to Hospital (%) | 0.01 | 0.0 | 0.0 | 0.0 |
Born Before Arrival | 0.60 | 0.5 | 0.6 | 0.7 |
Type of birth |
Normal vaginal delivery | 85.3% | 85.6 | 85.4 | 84.7 |
Forceps | 4.8% | 5.1 | 4.5 | 4.7 |
Ventouse | 9.4% | 8.6 | 9.6 | 10.0 |
Vaginal breech | 0.6% | 0.6 | 0.5 | 0.5 |
Country of birth of mother |
Australia | 71.6% | 72.5 | 71.9 | 70.3 |
New Zealand | 2.6% | 2.4 | 2.6 | 2.7 |
England | 2.2% | 2.2 | 2.1 | 2.2 |
Vietnam | 2.2% | 2.2 | 2.2 | 1.9 |
China | 2.1% | 2.4 | 2.2 | 2.0 |
Lebanon | 2.1% | 2.1 | 1.9 | 2.2 |
Other | 17.2% | 17.2 | 17.2 | 18.6 |