Percent of Births With Selected Characteristics According to Race and Hispanic Origin of Mother: United States, 1990 and 2003 (Final) and 2004 (Preliminary)

All RacesNon-Hispanic WhiteNon-Hispanic BlackHispanic
    <20 y of age10.310.312.
    ≥40 y of age2.
    <12 completed years of schoolbc21.623.811.615.
    ≥16 completed years of schoolbc26.617.535.522.513.
    Diabetes during pregnancy3.
    Pregnancy-associated hypertension3.
    Health care utilization
        First-trimester prenatal carec84.175.689.083.375.961.077.560.2
        Midwife-attended births8.
        Cesarean delivery rate29.127.522.729.227.623.431.
    Birth weight
    Preterm birthf12.512.310.611.511.38.517.917.818.912.011.911.0
    Multiple births per 1000 total births
    Live births in twin deliveries (not percent)31.522.635.222.934.726.721.318.0
    Live births in higher-order multiple     deliveries (not percent)
  • Race and Hispanic origin are reported separately on birth certificates. Persons of Hispanic origin may be of any race. — indicates that data are not available. Source: Centers for Disease Control and Prevention/NCHS, National Vital Statistics System, natality.

  • a Excludes data for New Hampshire and Oklahoma, which did not report Hispanic origin.

  • b Includes mothers ≥20 years of age. For 1990 excludes data for New York (exclusive of New York City) and Washington, which did not report educational attainment of mother.

  • c Excludes data for Pennsylvania and Washington, which implemented the 2003 revision to the US Standard Certificate of Live Birth for data-year 2003. This change has resulted in a lack of comparability between items based on the 2003 revision and data based on the 1989 revision to the US Certificate of Live Birth (see ref 1).

  • d For 2003 excludes data for California and for 1990 excludes data for California, Indiana, New York, Oklahoma, and South Dakota, which did not report tobacco use during pregnancy.

  • e VLBW is a birth weight of <1500 g (3 lb, 4 oz), and LBW is a birth weight of <2500 g (5 lb, 8 oz).

  • f Born before 37 completed weeks of gestation.