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.

as he was born with osteogenesis imperfecta, a condition that causes brittle bones, short stature, and other issues. Atticus Shaffer was born with a rare condition that makes him look smaller ...