Pelvic Inflammatory Disease (PID)

PATHOGENS

• Chlamydia trachomatis
• Neisseria gonorrhoeae
• Trichomonas vaginalis
• Anaerobes (vaginal flora)
• Enteric Gram-negative rods (vaginal flora)
• Mycoplasma genitalium(vaginal flora)
• Gardnerella vaginalis (vaginal flora)
• Haemophilus influenzae (vaginal flora)
• Mycoplasma hominis (vaginal flora)
• Ureaplasma urealyticum(vaginal flora)
• Streptococcus agalactiae(vaginal flora)
• Other less common or rare organisms: Treponema pallidum, Mycobacterium tuberculosis, Actinomyces israelii
  

PID cases attributable to N. gonorrhoeae or C. trachomatis have declined. It is estimated that < 50% of PID cases are due to either of these organisms[8][5].