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Modified MicroSecure Vitrification: A Safe, Simple and Highly Effective Cryopreservation Procedure for Human Blastocysts
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Births: final data for 2013.

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

    In 2013, U.S. births decreased slightly, with declining fertility and teen birth rates. Cesarean delivery and preterm birth rates also fell, while twin births increased.

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    Area of Science:

    • Demography
    • Public Health
    • Reproductive Statistics

    Background:

    • The U.S. experienced 3,932,181 registered births in 2013.
    • Data on maternal and infant characteristics are crucial for public health monitoring and policy development.

    Purpose of the Study:

    • To present comprehensive 2013 data on U.S. births.
    • To analyze trends in fertility, maternal, and infant characteristics.
    • To provide data on birth rates by various demographic factors.

    Main Methods:

    • Descriptive tabulation of data from U.S. birth certificates.
    • Analysis of 3.93 million births from 2013.

    Main Results:

    • Total births decreased slightly from 2012.
    • General fertility rate and teen birth rates declined.
    • Birth rates increased for women aged 30 and over.
    • Cesarean delivery and preterm birth rates decreased; low birthweight rate remained stable.
    • Twin birth rate increased, while higher-order multiple birth rate decreased.

    Conclusions:

    • Fertility patterns continued to shift in 2013, with declining overall and teen birth rates.
    • Improvements in preterm birth rates were observed, alongside stable low birthweight rates.
    • Maternal and infant health indicators show evolving trends requiring continued monitoring.