Sir I Have A Problem I Just Got Disvirgined On

Sir I have a problem I just got disvirgined on the 4th of Dec since my boyfriend and I hav bein having sex without condom. But he has never release inside of me. I hav done test showin negative I have even done blood test. It was showin negative could there be any posibility of gettin pregnant?my period was suppose to come this mone on d 19th so am confused how do I go about it