Intermittent spotting

Ashley • 👼🏻👼🏻👼🏻🌈 👼🏻👼🏻

I’m 5+4 and have had intermittent spotting since 4+1. Beta hcgx3 were all good. My US is scheduled for Thursday afternoon, but wondering how concerned I should be about this spotting? Doctor doesn’t seem too worried.