Hi, I Have Always Had A Regular Period. This Cycle

Hi,

I have always had a regular period. This cycle i have noticed a couple of changes that are keeping me worried

1. It came 9 days late.
2. Its longer than the norm. My period is 8 days with 4 days red blood and 4 light brown. This time its 10 full days of red blood and the bleeding didnt end till this moment
3. I had no craps and pain as my normal trend

What could that be?

Thanks