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Births: final data for 1999.

S J Ventura, J A Martin, S C Curtin

    National Vital Statistics Reports : From the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System
    |May 9, 2001
    PubMed
    Summary
    This summary is machine-generated.

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    In 1999, U.S. birth rates saw minor changes, with teenage birth rates declining. However, births to unmarried women and cesarean deliveries increased, while preterm births rose due to more multiple births.

    Area of Science:

    • Demography
    • Public Health
    • Reproductive Statistics

    Background:

    • The report analyzes 1999 data on United States births, covering maternal and infant characteristics, medical care, and fertility patterns.
    • Understanding demographic trends in births is crucial for public health planning and resource allocation.

    Purpose of the Study:

    • To present comprehensive 1999 data on U.S. births, detailing maternal and infant characteristics, and medical care utilization.
    • To describe and interpret trends in fertility patterns, maternal health, and infant outcomes.

    Main Methods:

    • Descriptive tabulations of data from 3.96 million birth certificates issued in 1999.
    • Analysis of maternal demographic factors, medical risk factors, prenatal care, delivery methods, and infant characteristics.

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    Main Results:

    • Overall birth and fertility rates showed minimal change (<1%), but teenage birth rates decreased (2-6%).
    • Birth rates for women in their late twenties and thirties increased (2-3%), as did births to unmarried women.
    • Cesarean delivery rates rose, while preterm births increased to 11.8%, largely attributed to a rise in multiple births.

    Conclusions:

    • While overall birth rates remained stable, significant shifts occurred in maternal age demographics and delivery methods.
    • The increase in preterm and low birthweight births, linked to multiple births, highlights ongoing challenges in maternal and infant health.