Crazy cycle, please help!

Reba
This is our 4th month ttc off the pill. First month I had a withdraw bleed, second month 35 day cycle, third month 23 day cycle and now, 4th month I'm on cd43 and no sign of af. Please help! This is my fertility friend chart...can someone give me their thoughts... I took my last pregnancy test February 13th which was a bfn