I started my period on the 25th of September I ended on the 30th.. later that night my boyfried and I had unprotected sex.. within 10 hours I took th e "plan b" pill.. today is now 4th of October.. I've taken 4 pregnancy test and all of them said negative... is there a chance I am pregnant or does the pill just put my cycle off traack?

You will have to wait until your next expected period to test for an accurate response.