AF due tomorrow

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

My temps normally drop from 9-10DPO when AF is coming. I’m clockwork 27 day cycle. Temps still up but tested negative yesterday, weirdly doesn’t look like AF is coming. Thoughts?