You had unprotected sex around the time of ovulation, of course you could get pregnant.

The "pull out" method is not a reliable form of contraception as semen comes out before ejaculation.

If you don't like your birth control because you gained weight then try another form - you will gain more weight with pregnancy!

I agree 100% with the previous poster.

Plan B to my knowledge is available over the counter in all 50 states. My local CVS carries them. I also believe that Planned Parenthood will get them for you as well. You should call your local pharmacy and ask if they carry them. Just because it is legal does not mean that they will carry them. I would also call planned parenthood, it may be cheaper if you go through them.

I understand that you were no longer taking your pills because of the adverse weight gain. Did you contact your doctor about your concern? There are many birth control coptions available that mey be more appropriate for you. You should discuss this with your doctor. In the meantime you should be using a condom. I gaurantee they will not cause you to gain weight

Good luck! Keep us posted!