This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'Estrogen receptors are present in \nSelect and explain. \nA. Osteoblasts, B. Osteoclasts, C. Osteocytes, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Estrogen receptors are present in osteoclasts, osteoblasts and osteocytes.', 'role': 'assistant'}]