TG and hypothyroidism: Subclinical hypothyroidism (SCH) defined as:
-Elevated TSH and normal fT4;-All self-defined subclinical hypothyroidismElevated serum TSH in association with normal total or free T4- and T3-valuesHigh-normal TSH and abnormal response to TRHElevated serum TSH with normal thyroid hormone levels, without symptoms that could be explained by overt hypothyroidism