Only two cases have been reported of congenital dislocation of the hip in infants born after extrauterine pregnancies. We report a further two and discuss the management and the variable outcome. These cases seem to confirm that congenital dislocation of the hip is associated with moulding forces rather than being a teratological abnormality.
- Received March 29, 1996.
- Accepted April 25, 1996.
- © 1996 British Editorial Society of Bone and Joint Surgery