Pituitary apoplexy is characterized by sudden onset of headache, visual symptoms, confusion and hormonal dysfunction due to acute hemorrhage or infarction of a pituitary gland. The pituitary gland is susceptible to infarction during pregnancy due to its increased size/blood flow. Hyponatraemia, hyperkalaemia and hypoglycaemia are as a result of secondary adrenal failure due to lack of ACTH.