I need help!!!

So my last period was November 3 lasted 7 days as usual ended the the 9th I had unprotected sex the 10th the 11th I took plan b 32 hours after unprotected sex. A week later after taking the pill I started spotting but very heavy so I wouldn’t even consider it spottin it lasted 5 day. My period for December was supposed to start the 1st today is the 8th and I still haven’t gotten my period and I’ve took multiple test and they are all negative. So would my (spotting) but yet heavy bleeding be considered as my period for December I’m so confused. I don’t think I’m pregnant if I was it would have showed on a test since it was already 4 weeks ago but confused about the missed period