CAN I BE PREGNANT

Patient: I HAD SEX ON OCT 8TH MY MENSTRUAL CAME ON OCT 11TH AND I WAS BLEEDING OFF AND ON UNTIL AROUND NOV 3RD. MY DOCTOR GAVE ME A PREGNANCY TEST THAT WAS NEGATIVE ON OCT 27TH. MY BREAST ARE REALLY SORE NOW CAN I BE PREGNANT?

Doctor: