TUESDAY, Dec. 21 (HealthDay News) -- Teen births in the United
States reached a record low in 2009, as births to teenagers fell 6
percent from the previous year to the lowest level seen in almost
seven decades, health officials reported Tuesday.
The birth rate for 15- to 19-year-olds, which has declined 16
out of the past 18 years, dropped to 39.1 births per 1,000 teens in
2009, according to a new report from the U.S. Centers for Disease
Control and Prevention.
"One of the biggest highlights is the continuing decline in teen births -- down to record lows," said report co-author, Brady Hamilton, a statistician at CDC's National Center for Health Statistics.
The decline in teen pregnancy is largely because of a drop in
vaginal intercourse, said Dr. Lawrence B. Friedman, a professor of
pediatrics and director of the division of adolescent medicine at
the University of Miami Miller School of Medicine.
"That doesn't mean decreases in sexual activity, but just alternate intimacies that teenagers are discovering or rediscovering," he said. "There is also increased use of effective contraception."
Total births declined for the second year in a row, with the
number of births falling from 4,247,694 in 2008 to 4,131,019 in
2009. Early data from this year indicate the trend is
The CDC is reluctant to suggest causes for their findings, but
Hamilton said the ailing economy may be partly responsible for the
lower overall birth rate. Since more women are waiting longer to
have babies that too is reflected in the declining birth rate, he
Factors such as education and career choices account for some of
the delayed births, Hamilton said. "In addition, technology has
allowed women to give birth later in life," he said.
Another expert agrees with Hamilton's analysis.
"People are getting pregnant later," said Dr. Leo B. Twiggs, chairman of obstetrics and gynecology at the University of Miami Miller School of Medicine. "And the birth rate is also falling due to the economic downturn."
The report -- from the CDC's National Center for Health
Statistics -- is based on data from more than 99 percent of the
birth records from all 50 states and the District of Columbia,
Its other highlights include:
Joyce A. Martin, an epidemiologist at the National Center for
Health Statistics and report co-author, said the drop in preterm
births is encouraging.
"It's the third year in a row we have seen a decline, and it's fairly substantial," Martin said.
However, the increase in cesarean deliveries is "disappointing,"
she said, noting that the data doesn't distinguish between
first-time cesarean deliveries and subsequent C-sections.
"There are so many women who have already had a cesarean, so once you have had a cesarean the chances are you will have another one," she said. "It's not clear from these data whether there has been a moderation or stabilization or decline in women having a first cesarean -- that would be very encouraging, but we don't have that information."
Reasons for the increase in cesarean deliveries include
convenience -- women wanting deliveries on demand, said Dr. Salih
Y. Yasin, vice chair of obstetrics and gynecology at the University
of Miami Miller School of Medicine.
Also, many abnormal deliveries, which previously were done
vaginally, are now done by cesarean.
"Now, unless the conditions are ideal, many of those babies are delivered by C-section," he said. Also, older women and those undergoing in vitro fertilization have less tolerance for vaginal delivery and are therefore more likely to have a cesarean delivery, he said.
Liability is also a factor, he said, "so hospitals have shied
away from letting women have vaginal deliveries."
For more information on birth rates, visit the
U.S. Centers for
Disease Control and Prevention.
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