Long post but HELP!!

Amanda • Married 04.25.15❤ Cora Lynn born 02.23.17 💕 MC 11.12.18 and MMC 4.2.19 trying for our 🌈
On BC pills for 12 years, off since Oct '15. Took 60 days to have a first cycle, then they were 24-25 days for 2 months then 42 days, 33 days and now day 52 and counting. No sign of AF in sight. Took a test last Saturday and its bfn..... How long do I let it go? What would you do if it was you??