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: Medicine
Blue coloured sclera is frequently associated with: 
Select and explain. 
A. Osteogenesis imperfecta, B. Ehler danlos syndrome, C. Chondrodysplasia, D. Alpo syndrome
A: Osteogenesis imperfecta
Answer: A: Osteogenesis imperfecta 
Explanation: The disorder is frequently associated with blue sclerae, dental abnormalities and progressive hearing loss. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 3207