Wondering

I'm still new to having PCOS and have many questions. Wondering if anyone could help. Does PCOS get worse if untreated or is it a condition where if you have it; you have it? Does that make sense? Is anyone taking metformin and if so - how have your eating habits changed to help with the stomach upsets? How long did it take you to get pregnant if you were able to? I would appreciate any suggestions or help. Thank you!