In 2007, per Linn, the U.S. birth rate was 69.3 live births per 1000 women ages 15 to 44. In the post-recession year of 2011, the rate had declined to 63.2. Preliminary data for 2012 indicates that the rate remained the same at 63.2.
NBC News: Fewer Babies in the Wake of the Great Recession
"It’s common for people to have fewer kids when a recession hits, because they worry that they will lose their job or their home, or just not be able to afford another mouth to feed."
---Allison Linn, NBC News