what is ths thyroid & metabolic?

I’m a 13 year old girl who is healthy and lost a lot of weight.well I started my period June 2008 and august 2009 it stopped ever since I have a higher activity level and diet change. Now I have irregular menstrual cycles

Last week I went to my Dr and they took my blood for TSH thyroid and metabolic it said on the paper.
What is that??

I will get my testing results this week I think.

One comment

  • Terp09

    Your doctor probably wants to check if you are over-producing thyroid hormone (Hyperthyroidism). This would explain your "higher activity level."

    TSH is a laboratory test that measures the amount of thyroid stimulating hormone (TSH) in your blood. TSH is produced by the pituitary gland and tells the thyroid gland to make and release the hormones thyroxine (T4) and triiodothyronine (T3).

    Your doctor will order this test if you have signs of abnormal thyroid function (hyperthyrodism or hypothyrodism). It is also used to monitor treatment of these conditions.

    Normal values are 0.4 – 4.0 mIU/L.

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