PCOD cannot be diagnosed on the base of only Ultrasound . You also need to get your hormone profile done to Confirm PCOD . About your irregular You can discuss about OCs with your doctor. Also you need to get your basic investigations, done like your haemoglobin levels,
thyroid,
vitamin D and serum Prolactinlevels And you need to correct them first if you still have period pain then you can discuss with your doctor about other options like oral contraceptive pills