Whats the difference between miscarrage and spotting being ok?

Beck πŸ‘¨β€πŸ‘©β€πŸ‘§β€πŸ‘§πŸŒˆπŸ‘ΆπŸ»πŸ–€πŸ–€πŸŒˆπŸ€°πŸ»

5wks 5days

Blood on toilet paper not reaching the line been 3 days now on and off arrange of different colours pink, red and dark brown stingy mucus nothing like a period some cramping here and there have a Drs apt tomorrow but what's normal and will I know if I have miscarried ???????