It can have various causes, such as genetic – congenital defect, abnormal development or damage to the pituitary gland after birth. Most of these are so-called idiopathic growth hormone deficiency, i.e. HGH functions the lack of unknown cause.

Insufficient production of growth hormone by the pituitary gland is secondarily caused by insufficient production of HRH in the hypothalamus.

Other times may be the cause of the inability to form itself pituitary growth hormone. Damage to the hypothalamus and pituitary gland anatomically and functionally different can be extensive and can be disrupted and creation of other pituitary hormones (called multiple pituitary deficiency).

Growth hormone deficiency can occur at any time during childhood. The cause may be damage to the pituitary and hypothalami tumors, trauma, infection, or irradiation of the central nervous system.
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Likewise, the acquired growth hormone deficiency may be associated with other disorders in the activity of the pituitary gland and hypothalamus.

What problems are caused by a lack of growth hormone?
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Children with growth hormone deficiency show a much smaller body height, than their calendar age. If these children are not treated, the loss in growth later catch They can Grow Taller 4 Idiots