Newborn with breech presentation

US of development dysplasia of the hip
Coronal US of the bilateral hips shows lateral subluxation of the left femoral head out of the left acetabulum with less than 50% coverage of the left femoral head and a decreased alpha angle of the left hip of 45 degrees. There is a normal alpha angle of the right hip of 69 degrees and the right femoral head is > 50% covered.

The diagnosis was left-sided developmental dysplasia of the hip.