The most common causes of hypothyroidism are iodine deficiency and thyroiditis.
Other causes include:
-
Thyroid gland’s damage.
-
Virus infections.
-
Immune
system disorders (autoimmune thyroiditis).
-
Pregnancy (postpartum thyroiditis).
-
Underactive
thyroid gland in children (congenital hypothyroidism).
-
Pituitary
gland dysfunction.
-
Hypothalamic dysfunction.
-
Side-effect to certain drugs.
-
Radiation.
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