Definition

The number and percent of live births in which the newborn was born at less than 37 weeks gestation.

The numerator is the number of live births with 37 or less weeks of gestation and the denominator is all live births.

Data Source

Maine Department of Health and Human Services, Office of Data, Research and Vital Statistics.

Notes

Footnotes: NA=Not available, * means the numbers are suppressed due to low numbers.

State-level data available back to 1990.  County-level data not available for all years prior to 2009.

Note that the state totals include any preterm births where the county is not known.

Last Updated

2025-08