Long menstrual cycle?

I was on birth control for 17 years, primarily the NuvaRing. My husband and I decided to start trying this past January and still aren’t pregnant. My cycle still isn’t regular. It’s ranged from 32-44 days each month. Should I be worrying about poly-cystic ovaries? How long should it take my body to regulate after being on birth control that long? I’m 34 years old.