April 21, 2014

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    Preterm Birth

Late preterm by plurality: US, 2011

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• Compared with singleton births, multiple births in the United States were 5 times as likely to be late preterm in 2011. 
• Of all live births in the United States in 2011, 96.5% were singletons and 3.5% were multiple births. 
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  Footnotes
•  Multiple deliveries include twin, triplet and higher order deliveries.
•  Late preterm is between 34 and 36 weeks gestation.
  Source
•  National Center for Health Statistics, final natality data.
•  Retrieved April 21, 2014, from www.marchofdimes.com/peristats.

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