Hi well im really worried i had me period a week ago i had unprotective. sex 2 days ago and now im bleeding but its not blood its browm dark brown hel?

Do a test!: The timing suggests that you are most likely not pregnant, but you cannot depend upon timing alone as an indicator. Irregular periods, particularly in teens who are feeling stressed, as I imagine you are after this "mistake", are common. Wait another week or two, do a pregnancy test. If it is negative, do another a week later and then, relax, see your doctor, and discuss effective birth control