Skip directly to search Skip directly to A to Z list Skip directly to navigation Skip directly to page options Skip directly to site content
Photo of a woman reading a fact sheet.

Fact Sheet

Women under 25 and older women with risk factors need testing every year.

Illustration of people abstracted behind a bar graph.


Chlamydia is the most commonly reported STD in the United States.

Photo of a clinician and her patient.


Chlamydia is easily cured but can make pregnancy difficult if left untreated.


2015 STD Treatment Guidelines - Chlamydial Infections - Includes diagnosis, treatment, prevention, and special considerations for chlamydial infections. Includes updated screening recommendations. (June 4, 2015)

Prevalence of Chlamydia trachomatis Genital Infection Among Persons Aged 14–39 Years — United States, 2007–2012 – MMWR September 26, 2014

Webinar: Reconceptualizing Screening for Chlamydia Control: Process Considerations, Targets and Outcomes - by Edward W. Hook III, M.D., STD Prevention Science Series, September 25, 2014, View Recording (August 20, 2014)

Guidance on Developing Chlamydia Testing and Prevention Messages (June 25, 2014)

Recommendations for the Laboratory-Based Detection of Chlamydia trachomatis and Neisseria gonorrhoeae — 2014 (March 14, 2014)

What You Need to Know About Chlamydia - Video by Dr. Rachel Gorwitz, Medical Officer in the Division of STD Prevention at the Centers for Disease Control and Prevention, shares information about how chlamydia is spread, symptoms and complications of the infection, screening recommendations, and treatment. (April 30, 2013)