Teen sex rates have fallen rapidly since the world met Bristol Palin. Photo via Wikimedia Commons

Here’s some good news: American teens are finally figuring out how to not have babies. According to new numbers released by the Centers for Disease Control and Prevention this week, the US teen birthrate fell to its lowest point since 1940 last year, with 277,749 babies born to mothers under 20. That means that there were 26.6 births for every 1,000 teen girls in the US in 2013, down 72 percent from an all-time high in 1957.

While we’ve known for a few years now that teen birth rates have been falling, the new CDC data illustrates just how precipitous the drop has been. According to the report, the teen birth rate fell 52 percent between 1991 and 2012, with the number of teen births falling across age groups and ethnicities, and in all 50 states. In that period, the steepest declines were seen among […]