| 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 Cincinnati, late preterm birth rates were highest for women under age 20 (11.4%), followed by women ages 40 and older (10.8%), ages 30-39 (10.4%) and ages 20-29 (10.3%). | | Of all infants born during 2008-2010 (average), 13.6% were to mothers under the age of 20, 56.9% were to mothers ages 20-29 years, 27.6% 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 May 22, 2013, from www.marchofdimes.com/peristats.
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