I was trying to conceive Normal cycle is 32-35 days

Patient: I was trying to conceive. Normal cycle is 32-35 days. Got period like pain on 38th day and some blood on ym pad the 38th day. But there is no blood or blood clots when I pee. What is this? I tested negative today.

Symptoms: Cramps, dizziness, uncomfort feeling in stomach

Doctor: