Hello, PCOD is an endocrine disorder and small cyst can be prevented with proper medication like hormone pill & supportive therapy. You can take APCOD powder as alternative treatment. Thyroid medication is also needed in your case. To enrich fertility, you need to take low carbohydrate diet with folic acid & Vit-E supplements, control body weight by regular exercise, avoid mental stress. Do unprotected sex around ovulation time or fertile days to maximize the chance of pregnancy. You can use ovulation prediction kit in mid cycle. Hope, it helps. Good luck.