This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolic Disorders of Bone, Subject name: Orthopaedics
[{'content': 'A child presented with hip pain with following x ray obtained. Most likely clinical diagnosis: \nSelect and explain. \nA. Osteogenesis imperfecta, B. Osteoporosis, C. Osteopetrosis, D. Osteopoikilocytosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Osteogenesis imperfecta deformed bones with fractures in different areas in different stages of healing', 'role': 'assistant'}]