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QuickStats: Birth Rates* Among Females Aged 15--19 Years, by State --- United States, 2004

*Per 1,000 females in age group.

Age of mother is a predictor of maternal and infant health risk. Pregnant teens aged 15--19 years are less likely to receive timely prenatal care and gain appropriate weight and more likely to smoke during pregnancy than pregnant women aged >20 years. These factors are associated with poor birth outcomes. For example, infants born to mothers who smoke during pregnancy are 65% more likely to have low birthweight and 70% more likely to die in infancy than infants born to nonsmokers. In 2004, the overall U.S. birth rate for mothers aged 15--19 years was 41.1 births per 1,000 females in that age group. Among states, rates ranged from 62.6 (Texas) to 18.2 (New Hampshire).

SOURCE: Martin JA, Hamilton BE, Sutton PD, et al. Births: final data for 2004. Natl Vital Stat Rep 2006;55(1). Available at

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