What Are The Side Effects Of Nuvaring?

ok so i started to use the nuvaring and its about to be a month on the sixteen, i use it continuously so my period skipped in august but i had it in September with a lot of dark brown discharge for three day then regular five days period then tree to four four days of spotting but through out starting with the dark discharge i develop an appetite for sleeping and eating even if i just ate and i pee lot also. in the course of two hours i can at least three time and if i drink anything, it goes right through me.