Osteogenesis imperfecta (OI), also known as brittle bone ... This is generally found in newborns, and the baby may be born with short arms and legs, a soft skull, and a small chest.

Osteogenesis imperfecta (OI) is an inherited (genetic) bone disorder that is present at birth. It is also known as brittle bone disease. A child born with OI may have soft bones that break ...