First get your thyroid tested. If this is normal, take another look at what you are eating. Calculate calories. It is possible to overeat even healthy foods.
You also may be a good candidate for a nutritional supplement called bioslife. Look at the information on www.bioslifeslim.com It is made for people with stubborn abdominal fat and helps you burn it and lose inches. If this something you are interested, let me know if you have any questions, I can help you order on discount.