what is tsh? what should tsh be?

What is TSH?
TSH is a hormone that controls thyroid gland activities. Generally, TSH values ​​are checked to observe thyroid health. TSH exactly; "Thyroid Stimulating Hormone" means thyroid stimulating hormone. Originally found in the brain, it is produced by the pituitary gland, but allows the production of thyroxine (T4) and triiodothyronine (T3) hormones in the thyroid gland.

The quantity and balance of these hormones affects all the physiological processes of the body, especially the metabolism of the body. The change in TSH levels is related to the presence of more or less T3 and T4 hormones in the thyroid gland. If these hormones are less, the body produces more TSH to stimulate the thyroid gland.

If too much body thyroidin values ​​are found to be sufficient to reduce TSH production. In addition, thyroid cancer may play a role in altering TSH levels, as well as inflammation of the thyroid gland, genetic disorders, hypothyroidism, exposure to toxic substances or radiation, pregnancy, certain medications (antidepressants, steroids, cholesterol lowering drugs, chemotherapy drugs) .


Hypothyroidism / Hyperthyroidism TSH Values
The TSH level that is biased by the symbiotic relationship between thyroid hormones and TSH may be an important indicator of thyroid health. If you have the following values, you may suffer from these diseases. Hypothyroidism (overactive thyroid hormone) and hypothyroidism (insufficiently inactive thyroid hormone) can cause diseases;

 TSH Values ​​T3, T4 Values ​​Disease bgre

High High Pituitary Brain Tumor
Low Low Secondary Hypothyroidism
Low High Graves Disease
High Low Hashimoto's Disease

Normal TSH Values
Normal TSH values ​​for an adult should be between 0.4 mIU / L and 4.0 mIU / L. According to some organizations, the ideal value range is between 0.4 mIU / L and 2.5 mIU / L, and values ​​above 2.5 mIU / L are considered risky. As you grow older or older, and / or during pregnancy, TSH values ​​may vary.

From birth to 4 days: 1 mIU / L - 39 mIU / L

2-20 weeks: 1.7 mIU / L - 9.1 mIU / L

From 21 weeks to 20 years: 0.7 mIU / L - 64 mIU / L

Between 21-54 years: 0.4 mIU / L - 4.2 mIU / L

Between 55-87 years: 0.5 mIU / L - 8.9 mIU / L

During pregnancy;

First quarter: 0.3 mIU / L - 4.5 mIU / L

Second quarter: 0.3 mIU / L - 4.6 mIU / L

Third quarter: 0.8 mIU / L - 5.2 mIU / L

values ​​are the mean TSH values ​​of a healthy individual.
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