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Table 2 Thyroid function tests over the first 88 days of the infant’s life

From: A hypothyroid mother after subtotal thyroidectomy delivered a newborn with hyperthyroidism from fetal stage: a case report

Date T3 nmol/L fT3 pmol/L T4 nmol/L fT4 pmol/L TSH μIU/ml TRAb IU/ml Treatment
Day 0 1.36 3.15 145.5 19.04 0.01 > 40  
Day 2 2.46 6.49 183.6 23.46 0.01 > 40 methimazole 0.25 mg/kg/day on Day 3
Day 5 2.5 5.28 188.6 19.77 0.01  
Day 11 3.0 7.26 151.8 20.62 0.01 65 (diluted)
Day 29 3.5 8.8 115.9 17.58 0.01 23.13
Day 51 2.07 4.69 73.7 10.18 0.53 10.96 methimazole 0.125 mg/kg/day
Day 58 2.01 4.29 64.4 8.7 2.51 /
Day 88 3.1 8.05 128 19.24 0.11 3.87 withdrawal
  1. T3 triiodothyronine, fT3 free triiodothyronine, T4 thyroxine, fT4 free thyroxine, TSH thyroid-stimulating hormone, TRAb thyroid-stimulating hormone receptor antibody