One year old baby legs bent, may physiological factors lead to, is normal, also need to exclude vitamin D deficiency, congenital developmental abnormalities, genetic factors affect.
1. Physiological factors: the baby fetal period in the womb in a state of curled up, after birth the lower limbs are slightly curved, with normal growth and development, the child’s symptomatic legs will gradually become straight.
2. Vitamin D deficiency: prolonged vitamin D deficiency, resulting in calcium and phosphorus metabolism disorders, which may cause bone softening and muscle joint laxity, the baby walks on the ground after the double knee weight-bearing, resulting in leg curvature, X-shaped legs or O-shaped legs.
3. Congenital Hip Dysplasia: Most of the hip joints are deformed due to abnormal development of acetabulum and femoral head, and external rotation of the lower limbs and widening of the hips are found.
4. Genetic factors: if parents have leg curvature, the child may also appear, but most do not affect normal walking.
If you find that your baby’s legs are bent, try to take your child to the hospital for a clear diagnosis and timely treatment in accordance with the doctor’s instructions, so as not to miss the opportunity for treatment.