Abstinence-only programs don't exist "for the kids," or because of risks. They exist almost wholly because Republicans -- and Democrats in Tennessee -- are trying to placate a religious minority, even if it means exposing teens to greater harms.
There was no evidence that an early loss of virginity actually caused risky sexuality later. Indeed, twins who have very different initiations into sex -- one early and one late -- nevertheless go on to have similarly risky sex lives.
Even in this more enlightened age, I well remember an exchange I had with a fellow mother when my son was in middle school. The conversation came around to sex and she asked how I approached that red-hot topic with my son.