A high serum T3 is frequently found with congenital goiter, due to defective organification of iodide (TPO defect) or defective synthesis of thyroglobulin. A high serum T3 usually precedes iodide ...

If your mysterious weight loss, sudden intolerance to heat, and noticeably irregular period has you scouring the internet for the reasons why, you’ve probably wondered if your symptoms are the result ...

Serum concentration rises in pregnancy, producing an enlarged thyroid without clinical symptoms of goiter. Normal serum level in nonpregnant adult is 0.8-2.3ng/dL FT4I - Free thyroxine index (FT4I ...