What is pelvic inflammatory disease? The United States suffer from pelvic inflammatory disease millions of women every year. The infection of one or more pelvic organs including the uterus, cervix and fallopian tubes. PID occurs when a bacterium in the body or the cervix and spreads pelvic inflammatory disease (PID) an infection that begins in the vagina and caused spreads upward into the uterus, fallopian tubes and pelvis. Most often it is caused by a sexually transmitted disease. The women,... »View Details