What Causes Irregular Periods With Spotting And Discharge?

I will be 21yrs old in Sept. my height is about 5'5'', and i weigh about 180lbs i have had 3 known cyst on my ovaries, other than that i dont really have anything wrong. My problem is that in March my period was late in the month, April I didnt have a period then May my period was around the 12th until the 18th then in jun starting on the 26th i wiped 2ce that day and it was like a light pink light brown color and then the 27th there was nothin and the 28th and 29th i had the same discharge, it was light pink/brown and my vagina is very wet, more than normal