I called my doctors office nurse line about the bleeding and she advised me that I should go today but I told her I…

I called my doctors office nurse line about the bleeding and she advised me that I should go today but I told her I couldn't come in today but I had an appointment for Wednesday. She said something is definitely not right and that I feel light headed then I need to go in immediately. I'm thinking the worst but I think it could also be cyst from my PCOS. I'm hoping everything is okay and it's just my hormones