I'm 12 and I don't no what to say to my mum I have had a brown stuff in my pants I don't no what it is can some one tell me what it is :confused:

My first period was nothing but brown. I was at a junior dance and I went home and used the restroom and screamed bloody murder for my mom. There was all this brown stuff and I thought maybe I had shat in my pants but didn't feel it. She just smiled really big and told me what it was. I was freaked out about the brown. She said it was normal the first time.

Yes.. quite likely it is the start of your period. Tell your mom... if you haven't already, time to have a little chat about the changes your body is, and will be, going through.