This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Gynae), Subject name: Gynaecology & Obstetrics
[{'content': 'Following is true about the benefits of hormone replacement therapy except - \nSelect and explain. \nA. 40 - 50% improvement in vasomotor symptoms, B. Improvement in urogenital atrophy, C. Increase in bone mineral density (2-5%), D. Reduction in colorectal cancer (20%)', 'role': 'user'}, {'content': "Answer: A \nExplanation: Airs. is 'a' i.e., 40 - 50% improvement in vasomotor symptoms Benefits of hormone replacement therapy (HRT)o improvement of vasomotor symptoms (70-80%)o Imporvement urogenital atrophyo increase in bone mineral density (2-5%)o Decreased risk in vertebral and hip fractures (25-50%)o Reduction in colorectal cancer (20%)o Possibly cardioprotection", 'role': 'assistant'}]