What is hip dysplasia?

Hip can slip out: For reasons unclear some infants are born with a loosness about the hip joint that permits the big ball of the upper leg to slip out of the cup like socket. Drs check for this at birth & well checkups.After 3 mo the ligaments tighten & detection is harder.Some are picked up as walking starts. Tight swaddeling with legs extended may incerase risk & girls & breach babies have higher risk.

Malformation: Congenital or acquired malformation or misalignment of hip that results in pain and stiffness with movement. This also occurs in various canine species, usually the larger type dogs.