Everything is normal but still getting brown discharge?

f ♡ • 👧🏻👦🏻👧🏼❤️

All my numbers are normal. HCG doubling every 48 hrs and more. However when I move I get small discharge of brown. No red, no pink. Its been 5 days of very minimal brown discharge thats seen when I wipe. Causes me alot of worry and anxiety.