PLEASE HELP IM SCARED!!!!

Nique
I'm 14 days late… AF was due to come on the 15th I use to be irregular but for the last 4 month I've been regular every month on the 15th or 16th…. I have no real symptoms other then the fact I'm yearning more often not sure of its just my head playing with me or. What… ..but I'm scared to take a test in fear that it will come back neg…. I've been ttc for the pass 2 years after a miscarriage in Oct 2013 this is my 1st skipped cycle… ..IS ANYONE ELSE GOING THROUGH THIS???