Your chances of being pregnant are extremely low. You probably over did it, but at least you are taking responsibility instead of just hoping you don't get pregnant. The spermicide helped, the birth control is already over 99% if you are taking it right, and Plan B just makes it that much better. I would say one in a million. If you do get pregnant, that kid must be the next Tim Tebow or something. It is highly unlikely you will get pregnant. You are taking a lot of precautions. Good for you!