Pelvic Inflammatory Disease (PID) By Oluwatosin Goje, MD, MSCR, Cleveland Clinic, Lerner College of Medicine of Case Western Reserve University Reviewed / Revised Mar 2023 View Patient Education Etiology Symptoms and Signs Diagnosis Treatment Key Points Topic Resources Regimens for Treatment of... Pelvic inflammatory disease (PID) is a polymicrobial infection of the upper female genital tract: the cervix, uterus, fallopian tubes, and ovaries; abscess may occur.