This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Physiology
[{'content': 'Menopausal hot flushes occur due to \nSelect and explain. \nA. FSH secretion, B. Decrease in estrogen, C. Increase in estrogen, D. Increase in progesterone', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hot flashes (also known as hot flushes) are a form of flushing due to reduced levels of estradiol.Ref: Ganong&;s review of medical physiology;24th edition; page no:-400', 'role': 'assistant'}]