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Location: Tucson
Topic: Late preterm by plurality
Format: Bar Graph
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Late preterm by plurality: Tucson, 2013

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• Compared with singleton births, multiple births in Tucson were about 5 times as likely to be late preterm in 2013. 
• Of all live births in Tucson in 2013, 97.5% were singletons and 2.5% were multiple births. 


  • Multiple deliveries include twin, triplet and higher order deliveries.
  • Late preterm is between 34 and 36 weeks gestation.


  • National Center for Health Statistics, final natality data.
  • Retrieved November 29, 2015, from