Help!

chels • Mom of 2 👦 & 👼 baby

I has a miscarriage on Jan. 5. I finally got a negative pregnancy test earlier this week. I've been taking ovulation tests. I took one Jan. 21, 22, and today. ( the last one) They are in the pic. Does it look like I could of already ovulated on Jan 21. ?That one looks darker to me.