Me and my girlfriend had protected sex she is due

Patient: Me and my girlfriend had protected sex. she is due for her period today and all day she hasnt had crazy tummy pains until the past almost 2 hours where its been hurting much more. she has no headache and her breasts are not sore. is she pregnant by any chance? as i said we had protected sex and im 100% positive nothing got inside of her. i doubt she is pregant but im trying to make sure

Doctor: