worried about bleeding

Kiran

hey girls, I got my bfp on 12/1/18,it was pretty confirmed by doctor on13/1/18,but on 14/1/18,i had bleeding which is bright red to start followed by brown color blood later, I took hpt after bleeding, they came positive, Ma bleeding was not so heavy, not even less, my scan schedule on 20/1/18,i am worried, what's going on, plz respond. I am 4w 4 days?