The purpose of screening is early diagnosis and treatment. Screening tests are given to people without current symptoms, but who may be at high risk for certain diseases or conditions.
The Centers for Disease Control and Prevention recommends annual screening for:
Pregnant women should be screened:
Sexually active young men should consider screening for sexually transmitted infections, although there is no specific guideline.
2015 Sexually transmitted diseases treatment guidelines. Centers for Disease Control and Prevention website. Available at: https://www.cdc.gov/std/tg2015/default.htm. Updated January 25, 2017. Accessed February 16, 2018.
Chlamydia. Merck Manual Professional Version website. Available at:
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Updated April 2016. Accessed February 16, 2018.
Chlamydia—CDC fact sheet (detailed). Centers for Disease Control and Prevention website. Available at: https://www.cdc.gov/std/chlamydia/STDFact-chlamydia-detailed.htm. Updated September 26, 2017. Accessed February 16, 2018.
Chlamydia genital infection. EBSCO DynaMed Plus website. Available at: https://www.dynamed.com/topics/dmp~AN~T114223/Chlamydia-genital-infection . Updated August 23, 2017. Accessed February 16, 2018.
Mishori R, McClaskey EL, WinklerPrins VJ. Chlamydia trachomatis infections: Screening, diagnosis, and management. Am Fam Physician. 2012;86(12):1127-1132.
Last reviewed March 2018 by
EBSCO Medical Review Board
David L. Horn, MD, FACP
Last Updated: 3/15/2015