Singletons & Multiples
Pregnancy outcomes can vary for singleton and multiple births. Multiple births include twins, triplets and higher order births, and outcomes can vary among these groups as well.
| ||In Norfolk city in 2002, 96.7% of all live births were singleton births and 3.3% were multiple births.|
| ||Between 1996 and 2002, the multiple birth ratio in Norfolk city increased more than 32%.|
| ||Compared with singleton births (one baby), multiple births in Norfolk city were about 5 times as likely to be preterm in 2002.|
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National Center for Health Statistics, final natality data.
Retrieved November 28, 2015, from www.marchofdimes.org/peristats.