Anyone else?

Jailyn • TTC 🌈 👼🏻👼🏻 👼🏻 Baby boy due 3/30/21❤️❤️❤️

I am 8dpo and got a BFP this morning and I just got a call from my doctor the blood test was negative I had bleeding 6dpo positive ovulation test day 13-14 like a normal cycle my progesterone was 3.18 now it's down to 0.50 how does this happen? How can I feel pregnant and get a BFP but no positive blood result