Help need answers confused right now!!😶UPDATE!!!!

Hello ladies I was suppose to start my cycle on the 26th but I was a day late(never late always get a pimple) didnt get a pimple had slight tender boobs backpain bottomless stomach lol so on the 27th around 7ish I bean spotting light pink the next morning the 28th it was a dark brown my uterus was cramping bad but didnt feel period like and hip pain also back pain still just on my right side and today no pain at all naesous and I'm back to spotting now. Can someone please help me figure this out.

So I been having this discharge since yesterday only when I wipe or pee.. Sorry TMI