Teaching about contraception was not associated with increased risk of adolescent sexual activity or STD. Adolescents who received comprehensive sex education had a lower risk of pregnancy than adolescents who received abstinence-only or no sex education.
You can read the abstract here but really, the conclusion is the most important part. I'd like to read the whole study, but I don't want to pay $31.50 for a subscription to the Science Direct website. Sorry, dudes.