Natalist OPK confusion/second opinion

Maybe TW: MC mention.

I switched from Pregmate, to Nātalist this cycle. I noticed that they’re VERY streaky and idk how accurate they may be. But I’m tracking ovulation because I was put on Progesterone after my last MC. The top is CD 12 and then after that it’s 2 times a day until CD 18AM (today).

bbt CD 14 I was at 96.9, CD 16 97.2, CD 17(darkest opk) 97.5, and then this morning (CD 18) my temp is back down to 97.2. I also had some ovulation cramping last night.

I THINK I might have ovulated on CD 17, but I just want a second opinion.