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Fig. 1 | BMC Pregnancy and Childbirth

Fig. 1

From: Resistance to thyroid hormone β in autoimmune thyroid disease: a case report and review of literature

Fig. 1

Changes in thyroid function. FT4 (black circle), FT3 (white circle), and TSH (black square) were monitored in the patient diagnosed with RTHβ and autoimmune thyroiditis. The thyrotoxic phase of postpartum thyroiditis occurred 6 months after delivery (solid black arrow), followed by a hypothyroid phase at 9 months (white arrow), and the return to status quo ante at 11 months postpartum. Hypofunctioning thyroid from Hashimoto’s thyroiditis occurred at 18 months postpartum, followed by spontaneous recovery after 1 month. * Indicates TSH values exceeding the instrument’s upper limit: TSH > 100 mIU/L. Abbreviations: LT3, levotriiodothyronine therapy; FT4, free thyroxine; FT3, free triiodothyronine; TSH, thyrotropin

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