Does letting your teen use birth control give them permission to have sex?

Lots of parents wonder if they should put their teen on birth control. There are pros and cons, and in my mind, it's mainly pros. Teens have sex without planning for it all the time. It "just happens", remember? When your teen is on birth control before they need it, it's a good thing. It can make their periods easier and prevent an unplanned pregnancy. At the very least, they should have easy…