This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Antepaum Haemorrhage, Subject name: Gynaecology & Obstetrics
[{'content': 'Which of these is a delayed complication of massive bleeding secondary to placenta pre? \nSelect and explain. \nA. Menorrhagia, B. Galactorrhea, C. Diabetes insipidus, D. Cushing disease', 'role': 'user'}, {'content': "Answer: C \nExplanation: Sheehan's Syndrome: It occurs due to Pituitary ischemia and necrosis a/w obstretical blood loss Affected women may have persistent hypotension, tachycardia, hypoglycemia, and failure of lactation due to hypopituitarism. Diabetes insipidus with or without anterior pituitary deficiency has been described following massive obstetrical hemorrhage and prolonged shock The classical case is characterized by failure of lactation, amenorrhea, breast atrophy, loss of pubic and axillary hair, hypothyroidism, and adrenal coical insufficiency", 'role': 'assistant'}]