Trichomoniasis Statistics
Most Recent Data
- STD Surveillance 2010 - Other Sexually Transmitted Diseases - Trichomoniasis (November 17, 2011)
Prevalence
The prevalence of Trichomonas vaginalis infection in the United States is estimated to be 2.3 million (3.1%) among women ages 14-49, based on a nationally representative sample of women who participated in NHANES 2001–2004. The following are other findings from this study.
- Most women found to have trichomoniasis (85%) reported no symptoms.
- Women with no history of sexual intercourse can still be affected by trichomoniasis (1.0%), as can pregnant women (3.2%), and women who have ever been pregnant (4.1%).
- African American women had a prevalence of 13.3%, white women prevalence of 1.3%, and Mexican American women prevalence of 1.8%.
- Prevalence of trichomoniasis increases with age and lifetime number of sexual partners among African American women.
Source: Sutton M, Sternberg M, Koumans EH, McQuillan G, Berman S, Markowitz L. The prevalence of Trichomonas vaginalis infection among reproductive-age women in the United States, 2001-2004. Clin Infect Dis. 2007 Nov 15;45(10):1319-26
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