No AF no clue what's going on!

Rebecca • Angel babies up in heaven! Ectopic pregnancy 2014! IVF round 1 - May 2017
So I'm now currently on cd 44 normally have cycles that range from 31-36 days I have pcos so I have the odd 40-41 day cycle but not normally 44 days!! I think I have had a really long unexplained cycle once or twice but here I am after a year of regular cycles on day 44 no af no sign she is coming and bfn on test 😓