Multiple choice What is the cause of secondary hypothyroidism? Underproduction of hormones by the thyroid gland itself Deficient TSH stimulation of thyroid by the pituitary gland Underproduction of parathormone Overproduction of hormones by the thyroid gland itself Reveal answer Fill a bubble to check yourself B Correct answer Explanation Deficient TSH stimulation of thyroid by the pituitary gland results into secondary hypothyroidism.