Pregnyl or BFP?

Gi • Married to the most amazing man 👩‍❤️‍👨💍 TTC our 🌈 after two miscarriages / IVF 👶 Dec 2021

So I had my stransfer on the 4th April which puts me at 11dp4dt.

I had my last pregnyl 1500 booster 5 days ago.

Do you think this could be the starting of a BFP or still the pregnyl in my system?

I have my blood test tomorrow.