BFP chart - temp is dropping

Kate ❤️ • Infertility warrior ❤️ 1 x baby boy 💙 Oct 21 Pregnant 🤰 baby boy 💙 due JAN 25 Ivf cycles: 8 Miscarriages: 💔💔💔💔 Kindness Always 🥰

Overanalysing after a couple of miscarriages. I’m freaking out. Got my BFP a few days ago and my temp has been dropping ever since. Lines getting darker each day but just concerned about the lower temps. Thoughts?