UNDERSTANDING THE TSH BLOOD TEST

A TSH blood test is a simple procedure that detects the amount of thyroid-stimulating hormone (TSH) in your blood. TSH is produced by the pituitary gland, located at the base of your head, and it signals your thyroid gland to produce thyroxine. This test can help diagnose whether your thyroid gland is overactive (hyperthyroidism), underactive (hypo