Im 44 years old Im sexual active with my boyfriend

Patient: Im 44 years old. Im sexual active with my boyfriend. Weird feeling i had a sharp mild pain in my stomach.i saw light brown and light pink blood i came 19days instead 28days the day i saw it it was not enough to put a pad on for a day and half.my normal cycle is 7 days. This last cycle last 3days it wa not heavy. It bleed but not heavey like it normal do

Doctor: