I have some shocking news for some of you: sexual activity, even with protection will ALWAYS mean that pregnancy and STD's are possible. You can't "accidentally" have sex or "accidentally" get pregnant. You know what you're doing can cause pregnancy; therefore, it's not an accident. If I decide to sky dive, I know there's a chance my parachute won't open and I could die. SO, I don't sky-dive. Am I missing out on some fun? Possibly. Am I missing out on possibly dying? No, I'm good, thanks. If you really don't want to risk pregnancy or STD's, don't have sex. I know, it's radical. I've heard people say it's hard to abstain. That may be, but we're not animals; have some self control.
If you decide to have sex, don't act all shocked and bowled-over if you become pregnant. You know it's a possibility. If you think you're ready for sex, then you better be ready for a child or an STD. Take responsibility for your actions.