Teen births are plummeting — and the reason is incredibly simple

The teen birthrate has plummeted rapidly since the mid-2000s — and a new study suggests better use of birth control is entirely responsible. There are 42 percent fewer teen births now than just seven years ago. In 2007, 4.2 percent of teenage girls in the United States gave birth. In 2014, the rate was 2.4 percent....
http://www.vox.com/2016/8/30/12709638/teen-pregnancy-birth-control