Am i prego or not?

Patient: Respected doctor..9 days ago i was out with my bf and un expectedly we got involved and entered 3 inches inside me my hymen did not break nor did it hurt and I didnot bleed aswell.. but now i dont know why i feel i might get prego.. is that possible? cause he stayed inside only for like 5 minutes and withdrew as soon as he gained control of himself.. im really scared this was never suppose to happen now him and I are both really worried.. please help me

Doctor: