Hip dysplasia is generally referred to as developmental hip dysplasia and the symptoms present vary depending on age. Typical symptoms such as unequal length of limbs, posteriorly curved hips, asymmetrical hip circumference, and hip pain will usually appear. If your baby develops similar symptoms, it is recommended to seek prompt medical attention and active treatment. 1.0-6 months: 6-month-old babies may have lower limb mobility disorders, joint popping, unequal length of lower limbs and other symptoms 2.6-12 months:In addition to the previous clinical symptoms, babies over 6 months old may also have symptoms of limited abduction of the affected joints and lack of strength on the affected side. 3.12 months and above:Babies over 12 months old may have symptoms such as anterior lumbar lordosis, posterior hip buckling, and pain in addition to limited hip abduction. Unilateral dysplasia may cause lameness, and bilateral dysplasia may cause symptoms such as duck steps. If the baby has hip dysplasia, it is recommended to consult a doctor in time, you can choose plaster fixation or surgical treatment under the guidance of the doctor. In daily life, pay attention to diet and balanced nutrition. You can consume more foods rich in fiber.