Developmental dysplasia of the hip (DDH) is a hip problem a baby is born with or that happens in the first year of life. In this condition, the top of the thigh bone doesn’t fit securely into the hip socket. This problem may affect one or both hip joints.
In a normal hip, the thigh bone fits tightly into a cup-shaped socket in the pelvis, and it is held in place by muscles, tendons, and ligaments. But in DHD, the hip socket may be too shallow or the tissues around the joint may be too loose.
It’s important to get DDH treated early. The longer it goes on, the more likely it is to cause long-term hip problems.
The exact cause of DDH is not known. But some things can raise your child’s chances of having it, including: