| 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 Columbus, late preterm birth rates were highest for women ages 40 and older (11.1%), followed by women under age 20 (9.2%), ages 30-39 (9.1%) and ages 20-29 (8.9%). | | Of all infants born during 2008-2010 (average), 10.5% were to mothers under the age of 20, 55.6% were to mothers ages 20-29 years, 32.1% were to mothers ages 30-39 years, and 1.9% 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 19, 2013, from www.marchofdimes.com/peristats.
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