Am i ovulating?

Azimah • ✨❤️ Praying for the good news soon❤️

Yesterday i check my opk and i get positive opk. But today when i bbt, my temperature drop from 37.5 to 36.4. Im not sure why. Because 3 days before positive opk my temperature was high like 37.8 for 2 days and drop near o.