A GUIDE TO TSH BLOOD TESTS

A TSH blood test is a simple procedure that assesses 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 thyroid hormones. This test can help diagnose whether your thyroid gland is overactive (hyperthyroidism), underacti