Neonatal hypoglycaemia: an important early sign of endocrine disorders.

The incidence of hypoglycaemia is greatest in the neonatal period, and the condition is usually associated with "small for dates" infants, although rare causes have been described.' Persistent neonatal hypoglycaemia, however, is usually caused by endocrinopathies or disorders of hepatic metabolism.2 We present some ofour experience of endocrine disease presenting as neonatal hypoglycaemia as this important association is not always appreciated.