This site uses Google Analytics to track site traffic and other metrics. If you would like to allow the use of Google Analytics please click Opt In below. This will associate a cookie with your browser.
The number of births in the United States decreased between 2007 and 2008 (preliminary estimate: 4 251 095). Birth rates declined among all women aged 15 to 39 years; the decrease among teenagers reverses the increases seen in the previous 2 years.…