Most people who have chlamydia don’t know it since the disease often has no symptoms.
- Chlamydia is the most commonly reported STD in the United States.
- Sexually active females younger than 25 years, as well as older women with risk factors such as new or multiple sex partners, or a sex partner who has a sexually transmitted infection, need testing every year.
- Although it is easy to cure, chlamydia can make it difficult for a woman to get pregnant if left untreated.
View Fact Sheet »
Signs, symptoms, transmission, treatment, prevention, and more.