Montana


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Location: Montana
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Topic: Late preterm by maternal age
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Format: Bar Graph
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Late preterm by maternal age: Montana, 2013-2015 Average

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• Maternal age is a risk factor for preterm birth, with higher preterm birth rates found among the youngest and oldest mothers in the U.S. 
• During 2013-2015 (average) in Montana, late preterm birth rates were highest for women ages 40 and older (10.0%), followed by women under age 20 (7.4%), ages 20-29 (6.6%) and ages 30-39 (6.5%). 
• Of all infants born during 2013-2015 (average), 6.6% were to mothers under the age of 20, 55.3% were to mothers ages 20-29 years, 36.0% were to mothers ages 30-39 years, and 2.1% were to mothers ages 40 and older. 

Footnotes

  • Late preterm is between 34 and 36 weeks gestation.

Source

  • National Center for Health Statistics, final natality data.
  • Retrieved July 20, 2018, from www.marchofdimes.org/peristats.