“…Panhypopituitarism may occur spontaneously, develop after surgery or radiation of pituitary adenomas, or develop after severe postpartum hemorrhage (Sheehan's syndrome). Sheehan's syndrome exhibits characteristic manifestations including failure to lactate or resume menses, loss of genital and axillary hair, and, in severe cases, evidence of hypopituitarism [5,6]. But clinical manifestations are developed in patients with Sheehan's syndrome at a variety of intervals ranged from one month to 47 yr after the delivery [4,7].…”