When should I go for a thyroid blood test?
A thyroid blood test should be taken in the morning
Last updated on 12 Dec 2024
It means you have subclinical hypothyroidism
This indicates secondary hypothyroidism
T4. This is because T4 is converted into another thyroid hormone called T3 (triiodothyronine), free T4 is the more important hormone to measure.
Reverse T3 (T3) is the metabolically inactive form of T3. Reverse T3 contains the same number of iodine molecules
Your hypothalamus releases thyrotropin-releasing hormone (TRH), which triggers your pituitary gland to release thyroid-stimulating hormone (TSH), which stimulates your thyroid to release T3 and T4.
TFT, Thyroid Profile Total, Thyroid Stimulating Hormone Total T3 Total T4
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