/brown dishcharge!! :|?

so, im 16, and i . i don't put my fingers in my or use any object, i just watch , and i rub my against my blanket or something, and i get s. anywho, i am supposed to have my period, or be getting it, and i havent yet. usually my stomach would hurt as a sign, but no sign or that either. and da first day, when i peed, i saw just a tiny bit of blood, so i figured i was goin to get my period, but i didn't. samething happened after the following days its an on and off thing. and when its nto blood its liek brown dishchagre as if i was ending my period. DOES ANYONE HAVE ANY IDEA? i don't want to talk to anyone about this because it is quite embarring. and I AM STILL A VIRGIN! so does affect my period of in any way what so ever? and is it so urgent that i'd have to go see a doctor??? HELP PLEASE!!