I had penetrative sex with a guy on the afternoon of July 29th and he didn't come inside of me at all (or anywhere near my vagina) and he used a condom, but later on I found a rip in the condom. I am about halfway between periods so I could be ovulating but the only risk of being pregnant would be from precome that could have gotten through the rip in the condom. I don't know when the rip in the condom occurred, he just said he noticed it when he pulled out once and was gonna grab a new condom but then we stopped altogether. I did take Plan B before noon on August 1st (within 72 hours). What are the chances I'm pregnant?