Abstinence is a failed policy as far as I'm concerned. Don't get me wrong, we should advocate it to people underage, but there's got to be a back-up. Kids are going to do shit, and I'm guilty myself. I've got no problem with teens having access to birth control.
The problem I think is the government paying for it. I get it would save more, but at the heart of the matter is taxpayers shouldn't have to pay either way. Not sure how to resolve that.