Teen births continue to decline in U.S

The number of U.S. babies born to teen mothers dropped to record lows in 2011, according to new data from the Centers for Disease Control and Prevention.

Fewer women also gave birth in their 20s than in prior years, researchers found - but the birth rate increased for those in their late 30s and early 40s.

"The economy has declined, and that certainly is a factor that goes into people's decisions about having a child," said CDC statistician Brady Hamilton, lead author of the new report.

"Women may say to themselves, ‘It's not a particularly good time right now… let's wait a little bit,'" he told Reuters Health.

Older women, however, are typically more secure in their employment, he said - and understand that they don't have as long to wait if they want to get pregnant.

The new data were published Monday in the journal Pediatrics. They showed an eight-percent drop in teen births between 2010 and 2011. Just over three percent of 15- to 19-year-olds had babies during that period.

Hamilton and his colleagues calculated that 3.6 million more babies would have been born to women in that age group over the last two decades had the teen birth rate not been falling since a peak in 1991.

On the other end of the spectrum, the birth rate among 35- to 39-year-olds increased by three percent over 2010 figures. In 2011, 4.7 percent of women in their late 30s and just over one percent in their early 40s had a baby, the CDC team found.

Highlights
+ In 2010, 3,999,386 births were reported to U.S. residents, 3 percent less than in 2009 (4,130,665). The number of births declined for nearly all race and Hispanic origin groups.

+ The general fertility rate was 64.1 births per 1,000 U.S. women aged 15–44, down 3 percent from 2009 (66.2). The total fertility rate (estimated number of births over a woman’s lifetime) was 1,931 births per 1,000 women in 2010, a 4 percent decline from 2009 (2,002).

+ The birth rate for U.S. teenagers aged 15–19 fell 10 percent in 2010, to 34.2 per 1,000, reaching the lowest level reported in the United States in seven decades. Rates declined for teen subgroups aged 10–14, 15–17, and 18–19 and for all race and Hispanic origin groups.

+ Birth rates declined among women of all age groups under age 40 from 2009 to 2010; the birth rate for women aged 40–44 rose, and the rate per 1,000 women aged 45–49 was unchanged.

+ The first-birth rate for women aged 15–44 declined 3 percent to 25.9 births per 1,000 women in 2010. First-birth rates declined for women under age 30 and aged 35–39, but rose for women aged 30–34 and 40–44.

+ In 2010, the increased to 25.4 years from 25.2 in 2009. The mean age rose for nearly all race and Hispanic origin groups.