Figure 11. Chlamydia — Trends in positivity among 15- to 24-year-old women tested in family planning clinics by HHS region, 2003–2007
Note: See Appendix for definitions of HHS Regions.
SOURCE: Chlamydia Prevalence Monitoring Project (Regional Infertility Prevention Projects); Office of Population Affairs; Local and State STD Control Programs; Centers for Disease Control and Prevention
