What is Pelvic Girdle Pain? Pelvic girdle pain (PGP), which used to be known as Symphysis Pubis Dysfunction (SPD). PGP/SPD is a debilitating condition during pregnancy that causes pain, discomfort and mobility problems. The Symphysis Pubis is the fibro-cartilaginous joint between the 2 pelvic bones at the front, but PGP can also be caused by instability with the sacroiliac joints at the Continue reading »