Spotting...when to worry?

Ashley • 👼🏻👼🏻👼🏻🌈 👼🏻👼🏻

I’m 5+2. Been spotting brown-light pink for a week. Beta HCGs trending normal. Doctor said unless it’s bright red or clotty not to worry....but I can’t stop worrying! Anyone have experience (good or bad with this)