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Classification into various groups based on TSH and antibody status. TSH: Thyroid stimulating hormone in μIU/mL, TPOAb: thyroid peroxidase antibody. TRAb: TSH receptor antibody, hCG: human chorionic gonadotropin. TFT: thyroid function tests (FT3, FT4, TSH, and TPO titres in those with positive TPOAb). ATD: antithyroid drugs.
