Gestational age

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Overview

In 2022, 91.8% of babies born in ºÚÁϳԹÏÍø were born at term (37–41 weeks gestation), 7.3% were born prematurely (less than 37 weeks gestation), and 0.8% were post-term babies (42-plus weeks gestation). The 7.3% of preterm births comprised 0.8% born at less than 28 weeks, 0.6% at 28–31 weeks, and 5.9% at 32–36 weeks. The highest rate of preterm birth was 8.7% in Hunter New England Local Health District, while the lowest was 2.2% in Southern ºÚÁϳԹÏÍø Local Health District.​​

Gestational age by local health district of residence, ºÚÁϳԹÏÍø 2022

By number of births

Local Health District<28 weeks28–31 weeks32–36 weeks37–41 weeks42+ weeksNot statedTotal
Sydney514045063333246910
South Western Sydney969895212561182113746
South Eastern Sydney7245462907488159756
Illawarra Shoalhaven432825541563614519
Western Sydney115858221340082414508
Nepean Blue Mountains3333328441830224864
Northern Sydney6238414791330108467
Central Coast3228229345176163832
Hunter New England12373774100301352211157
Northern ºÚÁϳԹÏÍø101011924607212672
Mid North Coast161212220392322214
Southern ºÚÁϳԹÏÍøn.p.n.p.2814513221518
Murrumbidgee14614822801222462
Western ºÚÁϳԹÏÍø332525333542763698
Far Westn.p.n.p.11191n.p.n.p.204
Other–not stated301077978n.p.n.p.1107
Total73453354448408969913591634

By percentage of births

Local Health District<28 weeks28–31 weeks32–36 weeks37–41 weeks42+ weeksNot statedTotal
Sydney0.70.66.591.60.50.1100.0
South Western Sydney0.70.76.991.40.10.2100.0
South Eastern Sydney0.70.54.793.00.90.2100.0
Illawarra Shoalhaven1.00.65.692.00.80.0100.0
Western Sydney0.80.65.792.40.60.0100.0
Nepean Blue Mountains0.70.76.790.80.60.5100.0
Northern Sydney0.70.44.993.50.40.1100.0
Central Coast0.80.76.090.12.00.4100.0
Hunter New England1.10.76.989.91.20.2100.0
Northern ºÚÁϳԹÏÍø0.40.44.592.12.70.0100.0
Mid North Coast0.70.55.592.11.00.1100.0
Southern ºÚÁϳԹÏÍøn.p.n.p.1.895.62.10.1100.0
Murrumbidgee0.60.26.092.60.50.1100.0
Western ºÚÁϳԹÏÍø0.90.76.890.70.70.2100.0
Far Westn.p.n.p.5.493.6n.p.n.p.100.0
Other–not stated2.70.97.088.3n.p.n.p.100.0
Total0.80.65.991.80.80.1100.0

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Notes

Source: ºÚÁϳԹÏÍø Perinatal Data Collection (SAPHaRI). Centre for Epidemiology and Evidence, ºÚÁϳԹÏÍø Ministry of Health.

1. Cells with counts less than 5 are suppressed, and other cells may also be hidden to prevent back-calculation. These cells are marked with n.p.
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Current as at: Wednesday 31 July 2024