Is Pregnancy Possible Post Unprotected Intercourse During Period?

Hi there, I am taking Rigevidon and have finished my 3 week supply of the pill but have now taken a 7 day break as advised in the instructions. I had unprotected sex last night and was wondering even though I am bleeding and on my period can I still get pregnant as I am not supposed to take my next set of the pill in 5 days? Many thanks