BBT confusing - no ovulation?

Marissa • Mama 🥰

My BBT from this month makes no sense to me. I have PCOS with irregular hormones so I cannot track OPK. I regularly have cycles 40-55 days long. We have been TTC for 9 months for baby #2. Help interpreting this chart?

I had thought I *possibly* ovulated CD 36 only because of the steep drop, steep rise and maintenance of that temp rage for a few days. Since all my other temps were erratic.

Maybe I didn’t ovulate. Idk. Feeling discouraged :(