This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Musculo Skeletal Disorders, Subject name: Pediatrics
[{'content': 'A 4-year-old boy presents with recurrent fractures, hyperextensible joints and hearing problems. His X-ray of lower limbs show the following. What is your diagnosis? \nSelect and explain. \nA. Achondroplasia, B. Osteogenesis imperfecta, C. Osteopetrosis, D. Ehler-Danlos syndrome', 'role': 'user'}, {'content': 'Answer: B \nExplanation: b. Osteogenesis imperfectaOsteoporosis with metaphyseal flaring & "popcorn" formation at growth plates are features of Osteogenesis Imperfecta', 'role': 'assistant'}]