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2. Thyroid function tests - Wikipedia

   en.wikipedia.org/wiki/Thyroid_function_tests

   However, when TSH is measured by itself, it can yield misleading results, so additional thyroid function tests must be compared with the result of this test for accurate diagnosis. [4] [5] [6] TSH is produced in the pituitary gland. The production of TSH is controlled by thyrotropin-releasing hormone (TRH), which is produced in the hypothalamus ...

3. From weight loss to irregular periods, these are the signs of ...

   www.aol.com/weight-loss-irregular-periods-signs...

   Hyperthyroidism is typically confirmed through lab tests that measure your body’s level of thyroid hormones (T3 and T4) and thyroid-stimulating hormones (TSH), says Shakil. ... and thyroid ...

4. Hypothyroidism - Wikipedia

   en.wikipedia.org/wiki/Hypothyroidism

   The levothyroxine dose often needs to be increased after pregnancy is confirmed, [8] [34] [44] although this is based on limited evidence and some recommend that it is not always required; decisions may need to based on TSH levels. [76] Women with anti-TPO antibodies who are trying to become pregnant (naturally or by assisted means) may require ...

5. TRH stimulation test - Wikipedia

   en.wikipedia.org/wiki/TRH_stimulation_test

   Prior to the availability of sensitive TSH assays, thyrotropin releasing hormone or TRH stimulation tests were relied upon for confirming and assessing the degree of suppression in suspected hyperthyroidism. Typically, this stimulation test involves determining basal TSH levels and levels 15 to 30 minutes after an intravenous bolus of TRH ...

6. Thyroid-stimulating hormone - Wikipedia

   en.wikipedia.org/wiki/Thyroid-stimulating_hormone

   Thyroid-stimulating hormone (also known as thyrotropin, thyrotropic hormone, or abbreviated TSH) is a pituitary hormone that stimulates the thyroid gland to produce thyroxine (T 4), and then triiodothyronine (T 3) which stimulates the metabolism of almost every tissue in the body. [1]

7. Thyroid disease - Wikipedia

   en.wikipedia.org/wiki/Thyroid_disease

   TSH levels are determined by a classic negative feedback system in which high levels of T3 and T4 suppress the production of TSH, and low levels of T3 and T4 increase the production of TSH. TSH levels are thus often used by doctors as a screening test, where the first approach is to determine whether TSH is elevated, suppressed, or normal. [25 ...

8. Jostel's TSH index - Wikipedia

   en.wikipedia.org/wiki/Jostel's_TSH_index

   Jostel's TSH index (TSHI or JTI), also referred to as Jostel's thyrotropin index or Thyroid Function index (TFI), is a method for estimating the thyrotropic (i.e. thyroid stimulating) function of the anterior pituitary lobe in a quantitative way. [1] [2] The equation has been derived from the logarithmic standard model of thyroid homeostasis.

9. Reference ranges for blood tests - Wikipedia

   en.wikipedia.org/wiki/Reference_ranges_for_blood...

   Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the ...