Im confused

I have been having pregnancy symptoms like sore breasts, diarrhea, nausea, i had spotting twice etc but my pregnancy test turn up negative ONLY 2 TURNED UP FAINT POSITIVE and im not sure why. Ive been having bad stomach pains. I dont feel good.i called my doctor and they said they dont have a spot open until December. 😒 What can i do or What could it be?