Change Indicator

Preterm births in Michigan

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Definition and Source



The three-year average number of live births with less than 37 weeks of gestation. The percent is based on total live births in the mother’s county of residence Percents are suppressed with an "S" for fewer than two occurrences in the three-year period to maintain reliability.

Data Source

Michigan Department of Health and Human Services, Division for Vital Records and Health Statistics.


County data and data for the cities of Detroit and Flint were revised for 2008-2015 on 2/27/2019.

City data were revised for 2008-2015 on 3/27/2019.

Last Updated

January 2023