My boyfriend and I had unprotected sex on 06/09/2009. My last period was 05/28/2009. I took the Plan B pill 4 hours later and we used the pull out method. I know he didn't come inside of me, but I also know precome may cause pregnancy. I looked up my ovulation later, and according to most calculators, I was either fertile or ovulating at this time. What are my chances of becoming pregnant?
Thank you for your time.