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Department of Human Services
Chlamydia in Oregon

Current Data
In 2002, chlamydial infections remained the most commonly reported STD in Oregon with a case rate of 207 per 100,000 population. The 7200 chlamydial infections reported during 2002 represents a 301 case decrease compared to 2001. At this time it is unclear if the decrease is an artifact of reporting or fewer cases diagnosed statewide.

Factsheet
Chlamydia is a common sexually transmitted disease (STD) caused by Chlamydia trachomatis, a bacterium, which can damage a woman's reproductive organs. Because symptoms of chlamydia are mild or absent, serious complications that cause irreversible damage, including infertility, can occur "silently" before a woman ever recognizes a problem.

Fast Facts about Chlamydia

  • Chlamydia is a micro-organism (bacteria) that infects both men and women
    • Transmitted through sexual contact
    • Damages the reproductive organs
    • Symptoms may go unnoticed
    • 75-80% of women will have no symptoms until complications set in
    • The same is true for an estimated 30%-50% of men
    • Testing to identify infections early, providing appropriate treatment, and evaluating recent sexual partners help prevent complications
  • When symptoms are present:
    • Men may experience:
    • Discharge from the penis and/or burning or itching when urinating
    • Pain and swelling in the testicles
    • Women may experience:
    • Vaginal discharge
    • Lower abdominal pain
    • Low grade fever
  • Can cause sterility
    A major cause of:
    • Cervicitis
    • Nongonococcal urethritis (NGU)
    • Pelvic inflammatory disease (PID)
    • It is estimated that 30% of untreated women develop PID.
      • PID increases the risk of:
      • Sterility
      • Tubal pregnancy
      • Related surgery
  • Ways to prevent Chlamydial infection are:
    • Abstinence
    • Using condoms
    • Having sex with just one person who only has sex with you
 
Page updated: September 22, 2007

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