Cretinism is a condition of severely stunted physical and mental growth due to deficiency in thyroid hormones.
Hypothyroidism is the disease state in humans and in vertebrates caused by insufficient production of thyroid hormones by the thyroid gland Cretinism is a form of hypothyroidism found in infants.
Congenital hypothyroidism (underactivity of the thyroid gland at birth) resulting in growth retardation, developmental delay and other abnormal features. It can be due to deficiency of iodine in the mother's diet during pregnancy. The condition is detected today by newborn thyroid screening.