Hello, Poly-Cystic Ovary Disease (PCOD) and fatty liver suggests that you may be overweight or obese. Both the disease are more common obese person. Irregular menses are also common in obese female. Poly-Cystic Ovary Disease (PCOD) is a very common cause of Infertility. The rate of female obesity is associated in at least 30% of cases with PCOD, even upto 75% of case in some regions of the world. Obesity related Insulin resistance along with female hormone imbalance is one of underlying cause of it. Weight loss is the cornerstone of the treatment of obesity-associated infertility. Lifestyle changes that encourage weight loss, including dietary modification and exercise should be started. Metformin help to improve insulin function. Bariatric surgery (weight loss surgery) is advised for morbidly obese (very very obese) female. Once target weight loss is achieved, fertility rate ( chance to conceive) improves. Target weight loss achieved by any mean (diet, excercise or surgery) help not only to conceive, but also decreases the complications to baby & monther during pregnancy and during delivery. Once you loose weight, your fatty liver also improves and becomes to normal liver Have a good health