I just had my Implanon birth control implant removed two days ago,after only having been on it since June of last year. Yesterday,my boyfriend and I had sex and he ejaculated inside of me. Is there a chance I could get pregnant? If not, when will I be able to conceive?

Unlikely as it takes a while for your body to readjust to NOT having the implant.
It took us two years after stopping birth control.