The number of teens having babies in the U.S. is at an all-time low.
Births to all teens have gone down more than 40 percent over the past decade, according to a new analysis by the Centers for Disease Control.
The rate hit a critical peak in 1991, at 61.8 births for every 1,000 adolescent females. In 2014, there were 24.2 births per 1,000 – the lowest rate ever recorded.
So what is driving this shift?