Why my peridoe is brown?

I'm so sad.. I had me regular periode last month... and by the end it was like brown.. like always... it was supposed to stop.. rigth?. but it didn't... it went from brown... to red.. like a periode again... goes to brown.. dark brown... rend.. and it doesn't stop!. I have been like this of almos 30 days..! Omg..! It's the first time tis happened to me.. :(