—Physiology

—Physiological effects of thyroid hormones

—Pathophysiology

—Etiology of hypothyroidism

—Cretinism

—Autoimmune thyroiditis (Hashimoto’s thyroiditis)

—Postpartum thyroiditis

—Viral thyroiditis

—WHO IS AT RISK FOR HYPOTHYROIDISM?

—Clinical picture of hypothyroidism

—Myxoedema coma

—Investigations

—Subclinical Hypothyroidism

Treatment