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Location: Tucson
Topic: Low birthweight by plurality
Format: Bar Graph
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Low birthweight by plurality: Tucson, 2013

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• Compared with singleton births, multiple births in Tucson were about 11 times as likely to be low birthweight in 2013. 
• Of all live births in Tucson in 2013, 97.5% were singletons and 2.5% were multiple births. 

Healthy people 2020

  • Low birthweight: reduce to no more than 7.8% of live births.


  • Low birthweight is less than 2500 grams (5 1/2 pounds).
  • Multiple deliveries include twin, triplet and higher order deliveries.


  • National Center for Health Statistics, final natality data.
  • Retrieved October 13, 2015, from