Pregnancy period

Okay... I keep seeing so many posts about women who have "had their period" while pregnant.

Now I question all my periods!!!

TMI but.. My recent one was bright red in color, lasted 6 days, lots of blood clots.

Would this be considered a regular menstrual cycle? What is the difference between bleeding women endure during pregnancy and a regular menstrual cycle?

Its really making me paranoid now... wish I didnt read so much lmao