Leg length discrepancy after hip replacement can occur due to the size of the implants used and the measures your surgeon needs to take to ensure they are securely in place. When one leg ends up longer than the other, it's most often the leg on the side that the hip was operated on.This article discusses why hip replacement surgery sometimes causes a leg length discrepancy, the issues this can cause, and how it can either be prevented or corrected.
Source: Verywell Health
