Is it even possible ?!!!

Daizy

Hello ladies really quick I have a 35 day cycle my last LMP is 1/11/2020 I am currently on cycle day 54/55 and took a OPK since I still haven’t gotten my period and all pregnancy test including serum ones are negative. Y’all I got a HIGH on my OPK just a few minutes ago and last nights said low it the clear blue digital. Is this even POSSIBLE !! please help me and my hubby are freaking out ?!