Brown discharge is that normal ?

Lori
So yesterday I took a test and found out I was pregnant then today I'm having brown discharge is that normal should I be scared ? My first pregnancy I had a miscarriage when I was 18 weeks I never spotted or anything I just blacked out then went to the doctors and found out then I had my daughter (she's 4 now) so I feel like I'm new to this all over again I don't no should I be worried ?