www.thelancet.com Published online August 6, 2013 http://dx.doi.org/10.1016/S0140-6736(13)61531-7 1 Children and adolescents with osteogenesis imperfecta have numerous fractures, often after what would otherwise seem trivial trauma. Even in mild disease, the risk of breaking a long bone (femur, tibia, fi bula, humerus, radius, or ulna) is about 100 times higher than in the general population. A...