Change Indicator

Preterm births in Illinois

Preterm births

Downloading image...

loading...

Definition and Source

PROVIDER

Definition

"Preterm" refers to babies born with a gestational period of less than 37 completed weeks. Data represent two-year proportions.

Data Source

Illinois Department of Public Health, Birth Statistics, available here.

Notes

S: Data Suppressed. This indicates that standards of reliability were not met. In this case, IDPH suppresses estimates for which the numerator is less than 10.

Updated estimates for 2023 are not yet available as of December 2025. 

Last Updated

December 2025