I had at least 12 pregnancy test all were negative except the last one it was a faint positive I got…

I had at least 12 pregnancy test all were negative except the last one it was a faint positive I got my blood work done. Just waiting on the results to come back. could I be pregnant? What do you guys think? I have all the symptoms of pregnancy and my period are always regular. Didn't have my period last month waiting to see if it's coming this month