Did I ovulate and could I be pregnant?

Sydney • Married October 20, 2018 | Baby Girl September 2020

I’m very new to BBT and I have been TTC for 3 months. I recently found out that I have PCOS and didn’t know because I was on BC for 5 years. Im not 100% on reading charts so I’m looking for a little help if anyone has an tips for a newbie.