hello. either its normal or abnormal. there are 2 major types of thyroid abnormalities that is hyperthyroidism or hypothyroidism. in hyperthyroidism people tend to lose weight, and people tend to gain weight in hyperthyroidism. you need to get your thyroid levels checked out on an empty stomach. the test is known as thyroid function test and includes T3, T4 and TSH.. get it done and visit a physician for further management. regards