Really could some some advise

So confused what me body is doing post mc. I mc nearly 10.5 weeks ago. Pregnancy tests were BFP after about 6 weeks.

AF after 7 weeks- and here I am 22 days later with a positive okp and a faint line?! I thought I ovulated (from testing) about 2 weeks ago?! This was our first mc. First time of trying and my knowledge of all the testing is so limited. I’m very new to this.

Can we ovulate twice in a month?! Didn’t think that was possible! Anyone else been in this pickle?!