Chlamydia

Cause

Chlamydia infection is caused by the bacterium Chlamydia trachomatis. It is spread during vaginal, anal, or possibly oral sex with an infected partner. A pregnant woman may spread the infection to her newborn during delivery.

You can spread chlamydia even if you do not have symptoms of infection. You can spread the infection until you have been treated.

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Author:	Sabra L. Katz-Wise Ralph Poore	Last Updated: January 18, 2007
Medical Review:	Renée M. Crichlow, MD - Family Medicine Kathleen Romito, MD - Family Medicine Jeanne Marrazzo, MD, MPH - Infectious Disease
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