Can someone please explain this to me?

Melinda • Had 4 miscarriages in 2015 and had our rainbow baby December 2016
I got off my depo shot in June. Husband and I have bbt since. I knew it would take awhile to get my cycle back and just recently started chatting my bbt. I got a short period November 9th which was my first AF since being off the shot. I'm trying to figure out when I'm actually ovulating or if I am at all. Can someone explain this to me?