Bbt help🤷🏾‍♀️

Bebe • Mother of 2 amazing boys🙇🏽‍♂️,Girlfriend to an amazing boyfriend 💏 , MC 9/25/18👼🏽 my 🌈 👶🏽 8/26/19 currently pregnant with baby #3 a baby girl 🎀 coming 2022

I have no idea what I’m doing yesterday morning my temp was 98.1 but this morning it was 97.8 I know for sure I’ve ovulated but it’s 2dpo and why is my temperature dropping.