Figure 11. Chlamydia—Trends in positivity among 15- to 24-year-old women tested in family planning clinics by HHS region, 2004–2008

NOTE: See Appendix for definitions of DHHS Regions.
DATA SOURCE: Prevalence Monitoring Project (Regional Infertility Prevention Projects), Office of Population Affairs, Local and State STD Control Programs, Centers for Disease Control and Prevention.


