What Is PID?
Reviewed: Dr. Gromatzky
2. What Causes PID?
Pelvic inflammatory disease is typically caused by bacteria that is present in the vagina moving into the uterus to cause a bacterial infection. From the uterus, the infection can travel through the Fallopian tubes and affect the ovaries and surrounding tissues.
The most common cause of bacterial infection in the vagina is a sexually transmitted infection. Cases of gonorrhea and chlamydia can progress into PID if not recognized and treated. In some cases, bacteria that is normally present in the vagina travels into the uterus and causes an infection.
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