Confused

Lizzie • Pcos struggling to conceive :(
I'm day 40 into my cycle should of come on last Sunday (valentines) couple days before I had a pinky (very light) mucus as I wiped then nothing ... then during the week a slight spotting g as I wiped ... I have pcos so can't imagine it's pregnancy have spent the last week Ill so maybe this is why monthly hasn't come .... advice please xxx