| 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 Wichita, late preterm birth rates were highest for women ages 40 and older (11.9%), followed by women ages 30-39 (8.9%), under age 20 (8.5%) and ages 20-29 (8.1%). | | Of all infants born during 2008-2010 (average), 12.3% were to mothers under the age of 20, 59.7% were to mothers ages 20-29 years, 26.2% were to mothers ages 30-39 years, and 1.7% 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 May 23, 2013, from www.marchofdimes.com/peristats.
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