Osteogenesis imperfecta is a genetic disorder causing fragile bones.

Causes 

• Gene mutation
• Autosomal dominant inheritance

Symptoms

• Fractures
• Loose joints
• Curved spine
• Brittle teeth
• Weak muscles
• Hearing loss
• Easy bruising and bleeding
• Respiratory problems
• Short stature

Treatment
There is no cure for osteogenesis imperfecta but bone strength can be increased by:

• Bisphosphonates and other medication
• Physiotherapy
• Support devices like casts, braces, walkers, etc.
• Surgery to implant rods and correct deformities

Prevention
There is no known way to prevent osteogenesis imperfecta.