Which women should be tested for Chlamydia trachomatis?
Macmillan S; McKenzie H; Flett G; Templeton A Department of Obstetrics and Gynaecology, University of Aberdeen, UK. OBJECTIVE: To assess the prevalence of genitourinary Chlamydia trachomatis infection among women in different clinical settings, with a view to making decisions about who should be tested routinely. DESIGN: Cross sectional study. SETTING: One regional hospital and family planning clinic serving an urban centre. Population Two thousand thirty-five sexually active women attending various outpatient settings. MAIN OUTCOME MEASURES: Prevalence of positivity by clinical setting, stratified by age. RESULTS: Overall, prevalence of lower genital tract chlamydial infection was similar in a variety of clinical settings. Infertile women were the only exception, demonstrating a much lower prevalence. Stratifying the study population by age found a clear trend towards high prevalence in teenagers and virtually no infection in women over the age of 30 years. CONCLUSIONS: The prevalence