pregnant after d&c?? help!

britt • mama to orion 👼🏼, elias 🌈, & finn 🌱 IG: britt.wl
Ok so I'm 4 and a half weeks past my d and c now. Opks were positive up until the 15th. I took a hpt and it was very lightly positive. Very lightly. I would be 10 dpo now and had unprotected sex 3 weeks after d and c. Could I be pregnant or is it most likely hcg still!?