Help me please

Stevielee
So hello there , Ive had a baby about 10 mouths and. I didnt get my af until july then it was for 9 days then August i had it for about. 15 days September. It was for about 11 day this mouth for about 8 day now a week later. That i should be o i was spotting now im bleeding. Answers please until i can go to the doctor im worried.