WebMD Medical News
Laura J. Martin, MD
April 6, 2010 -- After two years of consecutive increases, the teen birth
rate in the U.S. dropped by 2% in 2008, signaling what researchers hope is a
return to a downward trend.
According to the CDC report, the teen birth rate declined from 42.5 births
per 1,000 teenagers in 2007 to 41.5 births per 1,000 teenagers in 2008. Between
1991 and 2005, teen births declined by 34% before they rose by 5% between
The report on births in 2008 also shows that cesarean delivery rates rose
for the 12th straight year to nearly a third of all births (32.3%). Increases
of 1%-3% in the number of cesarean deliveries were seen among women of all ages
and most racial and ethnic groups.
Researchers say the percentage of births delivered by C-section has risen by
more than 50% since 1996, but the pace of increase has slowed somewhat in
The report, which is based on data collected from 99.9% of registered vital
records in 2008, also shows more women are giving birth after age 40.
The birth rate among women aged 40-44 increased by 4% to 9.9 births per
1,000 women, the highest rate since 1967. The number of births among women aged
45-54 also increased by 4% in 2008.
The birth rate for women aged 35-39 dropped by 1% in 2008, the first decline
in this age group since 1978.
Other findings of the report include:
SOURCE:Hamilton, B. National Vital Statistics Report, April 6, 2010; vol 58, no
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