What does PIOD stand for?

Pelvic Inflammatory Disease

Acute or chronic suppurative inflammation of female pelvic structures (endometrium, uterine tubes, pelvic peritoneum) due to infection by Neisseria gonorrhoeae, Chlamydia trachomatis, or other organisms, typically a complication of sexually transmitted infection of the lower genital tract, may be precipitated by menstruation, parturition, or surgical procedures including abortion; complications include tuboovarian abscess, tubal stenosis with resulting infertility or sterility and heightened risk of ectopic pregnancy, and peritoneal adhesions.