Weird Symptoms

Patient: Ok so i haven’t had a period since’s 11-22-2013 on01-14-14. I started to spot light pinkish blood that happened for 3 days but no need to wear anything. 01-21-14 I took a pregnancy test came back negative,01-22-14 after doing some cleaning i had bad stomach pain i thought it was my period so i went check and it was blood, but before i went to be there was no blood ? What can be going on with me??

Symptoms: Bad stomach pains

Doctor: