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QuickStats: Percentage Distribution of Gestational Age in Weeks for Infants Who Survived to Age 1 Year and Infants Who Died Before Age 1 Year — National Vital Statistics System, United States, 2014

Weekly / April 14, 2017 / 66(14);392


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Please note:  An erratum has been published for this report. To view the erratum, please click here.

The figure above is a bar chart showing that infants who do not survive the first year of life are more likely to be born at earlier gestational ages. In 2014, 66% of infants who survived to age 1 year were delivered at full term or later (≥39 completed weeks) compared with 16% of infants who died before reaching age 1 year. Fifty-eight percent of infants who died before age 1 year were delivered at <32 weeks gestation compared with only 1% of infants who survived to age 1 year.

Infants who do not survive the first year of life are more likely to be born at earlier gestational ages. In 2014, 66% of infants who survived to age 1 year were delivered at full term or later (≥39 completed weeks) compared with 16% of infants who died before reaching age 1 year. Fifty-eight percent of infants who died before age 1 year were delivered at <32 weeks gestation compared with only 1% of infants who survived to age 1 year.

Source: National Vital Statistics System, Linked Birth and Infant Death Data. https://www.cdc.gov/nchs/nvss/linked-birth.htm.

Reported by: Anne K. Driscoll, PhD, adriscoll1@cdc.gov, 301-458-4341.

Suggested citation for this article: QuickStats: Percentage Distribution of Gestational Age in Weeks for Infants Who Survived to Age 1 Year and Infants Who Died Before Age 1 Year — National Vital Statistics System, United States, 2014. MMWR Morb Mortal Wkly Rep 2017;66:392. DOI: http://dx.doi.org/10.15585/mmwr.mm6614a5.

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