A couple days ago I took a pregnancy test because I was 10 days late and I was having these really weird dull cramps for a little over a week. The test came back positive almost instantly but last night I started to have some brown spotting and it went from brown to a brownish-red color to red (like I was having my period). Then this morning when I woke up I didn't have any spotting until later today when the brown spotting came back and it started to get red again while I was at work. I've been having some mild cramps tonight but it's not all that bad. Should I be worried??