Blood test was negative

So I posted last week that I was pregnant! because I had a few positive pregnancy test so I went to the doctor and Tuesday and they did bloodwork, I found out yesterday at the blood work was negative I completely feel torn apart I don't know what to feel I don't know what to expect any More. I'm more than a week Late  I was supposed to get my period the 11th we're on the 23rd, and I still haven't gotten my period so almost 2 weeks late.
have any of you have the same issue please help!!!