Link: http://www.cdc.gov/media/pressrel/2010/r101221.html

The birth rate for U.S. teens aged 15-19 years fell to a record low, according to a report from the Centers for Disease Control and Prevention. The 2009 birth rate of 39.1 births per 1,000 teens is down 6 percent from the 2008 rate of 41.5 births per 1,000. This is the lowest ever recorded in seven decades of tracking teenage childbearing. Birth rates for younger and older teens and for all race/ethnic groups reached historic lows in 2009.

Direct link to the Full Report (.pdf)