possibly pregnant need help???

Jessica • Still TTC baby #1 been I will keep the faith
I have pcos and I just got my cycle back 3months ago its very light and stays on for about a week and a half and goes off this month it came early the 4 is stil on its like ive been spotting and some times its nothing only wen I wipe like light pink pee/blood my cm was sticky and wet and slight pink took a test on 14 neg. what culd this b?