Most thyroid abnormalities can be detected by checking your body’s thyroid stimulating hormone level (TSH) through a thyroid screening. In your body, the Thyroid Stimulating Hormone (TSH) is synthesized and secreted by your pituitary gland. You can view the TSH like a messenger sent to knock on the door of the thyroid. Its purpose is to regulate your thyroid gland, to tell it to produce more, or to tell it to produce less. In a healthy individual, its message is based on whet