Can I get pregnant? I had sex (first time) with my bf 2 days ago and it was unprotected. I have irregular periods as well, my last period was in July 2007. Could I get pregnant??

YES YES YES you could get pregnant. The simplest formula is: penis + vagina = pregnancy. You can get pregnant on the first try. If you don't use any kind of birth control and don't have regular periods, it's especially risky because there's absolutely no way for you to predict the risk of getting pregnant.

If you ever have unprotected sex in the total absence of birth control, you have 120 hours to take emergency contraception. While you are at the clinic or pharmacy getting emergency contraception, you should also get condoms. Also consider getting on regular birth control (such as the Pill, OrthoEvra patches or the NuvaRing).

Here are some articles you and your boyfriend ought to read:

• What's the Risk? Easy Pregnancy Risk Assessments

• Emergency Contraception
• Safe, Sound & Sexy: A Safer Sex How-To