Clinical Features N. gonorrhoeae causes infection of mucosal membranes including the cervix, rectum, and throat. If untreated, gonorrhea remains a major cause of pelvic inflammatory disease (PID), tubal infertility, ectopic pregnancy, and chronic pelvic pain. Epidemiologic studies provide strong evidence that gonococcal infections facilitate HIV transmission. Incidence Gonorrhea, caused by Neis...