Kubo H, et al. - Authors presented the clinical results and X-ray parameter of initially unstable hips in newborns following treatment with the Tubingen splint at 2-time points: 12-24 and 24-48 months of age. They determined the acetabular angle and according to the Tonnis-Classification evaluated into: Normal findings, slightly dysplastic findings and severely dysplastic findings. On 1 hand, findings suggested a good development of unstable hips after successful treatment with the Tubingen splint. On the other hand, further imaging by X-ray was mandatory to close follow-up and to detect those which might need surgical correction of residual dysplasia despite successful therapy and normal ultrasound findings at the end of treatment.