| 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 2008-2010 (average) in Charlotte, late preterm birth rates were highest for women ages 40 and older (11.7%), followed by women under age 20 (9.9%), ages 20-29 (8.8%) and ages 30-39 (8.7%). | | Of all infants born during 2008-2010 (average), 8.9% were to mothers under the age of 20, 47.5% were to mothers ages 20-29 years, 40.8% were to mothers ages 30-39 years, and 2.8% were to mothers ages 40 and older. |
Source
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National Center for Health Statistics, final natality data.
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Retrieved June 18, 2013, from www.marchofdimes.com/peristats.
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