Am 23 Years Old. From 2014 October Onwards My Periods

am 23 Years old. From 2014 October onwards my periods are not regular. I mean no periods. On januvary i consult a doctor she scanned me and told i have pcod. I have periods on januvary becoz of her medicine. After tht till now i didnt have my periods. And am taking homeopathic medicines from march for curing pcod. What should i do?Am married since 1 and half years. I want to become pregnent?