I haven't had my period since Oct. 9th, test is negative, I was spotting

I haven't had my period since Oct.9th and I did take a test in Nov and it was negative. I do have irregular periods but recently I spotted on Jan.24 and Jan.26.. I recently started get also very gassy and bloated is that my period coming or am I pregnant. My appointments isn't until 2wks from now.what should I think this is