Whats going on?? Help "false hopes"

I woke up this morning showered but a slight cramp came over me so I assumed it was my period but when I wiped I saw pink colored im guessing blood so I put a pad on then it stopped and I saw a little brown discharge afterwards so then the cramps went away about 2 hrs later it happened again then went away next thing I know by the end of the night here come Af im so lost I have been having so many pregnancy symptoms and my basal temps have been above my cover line for the past 2 weeks or so like advice or something im so depressed I thought this was it? ??