You are not overweight for your height. In order to lose weight around the hips you do have to do exercises aimed at that area. Suggest you eat healthy foods, 3 times a day, and maybe you would not crave chocolate at night. Eat low fat meats (chicken, fish, loin of pork) or non-meat sources (soy products, nuts), low fat vegetarian combinations (rice & beans, pasta & beans, low fat cheese & pasta), low fat and substitute dairy products (1% milk, low fat/fat free yogurts, low fat soy milk/soy yogurt), use plant oils, non trans-fat margarines, and eat a lot of fruits and vegetables. Eat daily high fiber breads and cereals (oatmeal).
Using of soy products is not recommended for people with thyroid disorders; some people with hypothyroidism are developing accumulation of fat around the hips.