Osteogenesis Imperfecta

blue, because the collagen layer is thin so you see the layer behind it. (OI is a collagen defect). Barrel Chest is also a symptom, short stature, dis-proportionality of the body, and of course the biggest one - brittle bones. I’ve broken each femur about 11 times i think, along with a couple shoulder blades, and my right color bone, this is actually not a lot compared to other OI people, so let's hope it stays that way! Please comment with any questions ... "Osteogenesis Imperfecta ...