When Will my period come?

OK I am 13 I have had discharge for 2 years now and it recently started to get stringing and alittle like conditioner I know gross rightt. Also there was one time it was brown and seeped through my undies. I am a b cup sizee am 4 7 I know im short and have pubic hair in my pits and my v j j. When do you think I will get my period/?