Picture of Chlamydia

Chlamydia is a sexually transmitted infection (STI) that can lead to significant damage to a woman's reproductive organs and can even result in infertility. Chlamydia is a bacterial infection that may affect men and women. Many people who have chlamydia infection are asymptomatic (have no symptoms). Symptoms that may occur include abnormal vaginal or penile discharge and burning pain with urination. Infected people can transmit the infection to sexual partners whether or not they exhibit symptoms.

Untreated chlamydia can damage a woman's fallopian tubes, which can lead to ectopic pregnancy or infertility. The infection increases a woman's risk of pelvic inflammatory disease (PID).