Many parents are scared when they hear about hip dysplasia, what exactly is congenital hip dysplasia? In congenital hip dysplasia, the baby only has asymmetrical skin lines and tight hip joints in the early stage, but after the child is able to walk, the child will appear to be reluctant to stand and walk with abnormal posture, and so on. In recent years, the detection of congenital hip dysplasia has been greatly accelerated due to the improvement of infant and child medical examinations and the general attention of parents. Hip dysplasia will lead to unbalanced distribution of human weight on the femoral head, which will lead to degenerative necrosis of the femoral head, acetabular deformation and upward migration of the femoral head in the long run, resulting in walking difficulties, shortening of the lower limbs, hip pain, abnormal gait and other symptoms. So how can parents of children find out if there are problems with their baby’s hip joint? Now we will teach parents of babies some simple checks that they can perform! 1, skin pattern: the most simple and easy to understand observation indicator is the skin folds and lines, in addition to check the skin pattern of the baby’s hips also look at the skin pattern of the baby’s thighs, many mothers see a slight asymmetry is very nervous, in fact, a slight asymmetry is normal, only when serious asymmetry need to be highly suspicious, need to go to the hospital. 2, the length of the lower limbs: put the baby’s legs together and straighten them to compare the length of the baby’s lower limbs, but there is no way to check for mild hip dysplasia. 3, flexion and abduction of the hip joint: parents can bend the baby’s hip joint into the shape of a frog, and then gently press the two sides to feel whether the abduction and range of motion of the two sides of the hip joint are the same, if the abduction of one side of the hip joint is large and the other side is small, or if the hip joint is flexible and the other side is tense, then you need to be careful! The abduction action should be gentle, if you cannot continue to abduct, do not forcefully continue to abduct, to avoid hurting the baby! 4, Galeazzi’s disease: let the baby’s two legs bend, compare the height of the knee joints on both sides whether the same, if not, need to be alert! These are all tests that parents of children are able to do themselves at home. If problems are found in the above tests, we recommend that you take your baby to a pediatric orthopedic department for further examination. Note: There are differences in the accuracy and reliability of your own physical examination, and it is recommended that a visit to a pediatric orthopedic clinic rule out congenital hip dysplasia. The pediatric orthopedic surgeon will perform a professional physical examination and further ultrasound and x-ray if necessary. The main purpose is to determine whether the acetabulum matches the femoral head and whether the femoral head is normally in place. The earlier congenital hip dysplasia is detected and treated, the better the outcome. For most patients, early treatment can be done conservatively with a Pavlik sling or a frog cast, but for patients over 2 years old, conservative treatment is usually not effective and most patients need surgery.