Before revision: Pelvic girdle pain (abbreviated PGP) is a pregnancy discomfort that causes pain, instability and limitation of mobility and functioning in any of the three pelvic joints.
After revision: Pelvic girdle pain (abbreviated PGP) can be described as a pregnancy discomfort for some women and a severe disability for others; causing pain, instability and limitation of mobility and functioning in any of the three pelvic joints.