Help! I’m trying to figure out when I ovulated

I took a break from using opks this month because they were stressing me out, and just temped. I usually ovulate anywhere from day 14-16 according to my opks in the past. According to the temps I’ve entered, FF thinks I ovulated on CD 12. I now have a confirmed pregnancy (yay!!) but my beta is suggesting I’m still in the 1-2 week range after conception, but if I ovulated on CD 12, then I should be in the 2-3 week range. Also I had implantation spotting from CD 20-21 (8-9dpo if ovulated on CD 12) Thoughts??