last day of my period june 6th I had sex and June 7th I took a plan b about 12 hours within the 72 hours about 5 days later I have a heavy bleed small blood clots then it stopped a day later. june 12th I had sex and took another plan b june 13th. I did the 17 days after take a pregnancy test based off the plan b took on june 6th and they both came out negative but I was supposed to start june 28th (my periods are pretty regular) it is now june 6th and I still havnt got it am I pregnant? I'm not experiencing any pregnancy symptoms.