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Diagnóstico precoce e os fatores associados às infec??es sexualmente transmissíveis em mulheres atendidas na aten??o primáriaDOI: 10.1590/S1415-790X2011000300011 Keywords: sexually transmitted diseases, women, chlamydia trachomatis, diagnosis, trichomonas vaginalis, neisseria gonorrhoeae, primary health care. Abstract: introduction: sexually transmitted infections (stis) in women remain a public health challenge due to high prevalence, difficulties to implement early diagnosis strategies and high rates of complications. objective: identify the prevalence of stis among users of a primary health care clinic in s?o paulo. methods: women, 18 to 40 years of age, were invited to self-collect vaginal specimens to be tested for chlamydia trachomatis, neisseria gonorrhoeae, and trichomonas vaginalis by polymerase chain reaction (pcr). women were also invited to answer a demographic and sexual history questionnaire, either on the computer or face-to-face. results: the prevalence of stis obtained from the 781 women included in the study was: chlamydia trachomatis: 8.4%, neisseria gonorrhoeae: 1.9%, and trichomonas vaginalis: 3.2%. thirteen percent tested positive for at least one out of the three stis. the variables associated independently with a higher risk of stis were: age under 20-years-old, more than two lifetime sexual partners, and self-perception of sti risk. the use of condoms as a contraceptive method proved to be a protective factor. conclusion: the high prevalence found among these women indicates the need for the implementation of sti screening strategies in primary care settings in brazil.
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