Low birthweight is defined as less than 2500 grams or 5 1/2 pounds. It is also common to classify low birthweight births into moderately low birthweight (1500-2499 grams) and very low birthweight (less than 1500 grams or 3 1/3 pounds). These classifications are useful because they often correspond to clinical characteristics - increasing morbidities or illnesses with decreasing birthweight. Babies born too small are often born too soon. While the causes of low birthweight and preterm birth may be different in some cases, there is significant overlap within these populations of infants.
| ||In 2014, 1 in 11 babies (9.1% of live births) was low birthweight in Bronx.|
| ||In 2014, the low birthweight rate in Bronx (9.1%) had not met the Healthy People 2020 objective of no more than 7.8% of live births, set by the U.S. Department of Health and Human Services.|
| ||Compared with singleton births, multiple births in Bronx were about 8 times as likely to be low birthweight in 2014.|
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National Center for Health Statistics, final natality data.
Retrieved December 02, 2016, from www.marchofdimes.org/peristats.