HELP Will be 17weeks tomorrow

Ashley

Woke up at 6am went to the bathroom and nothing when I wiped went back around 8:30 and there was brown and a small spot of blood should I be concerned I have a Doppler and found her heart beat right away it was 150-151 no pain or cramping of any sort.... I have a doc appointment Monday morning

Had a miscarriage in Feb. 2017 so everything worries me...