Am I pregnant?

Okay, so my cycles average about 54 days (really long, I know). My last period started on November 25 and my next one is supposed to start on the 18. So I have five more days until my period, but I've had a few questioning symptoms. Yesterday, I peed five times in 8 hours and I usually only pee once or twice in that long. I've also had a few aches and pains but that's somewhat normal for me. Also, very slight cramps. And a few days ago, there was dark brownish red blood when I wiped. Opinions?