Introduction: Trichomonas virginals is a parasitic protozoan that is the cause of trichomoniasis, a sexually transmitted disease (STD) of worldwide importance. The disease encompasses a broad range of symptoms ranging from a state of severe inflammations and irritation with a frothy malodorous discharge and itching. Recent data have shown that the annual incidence of trichomoniasis is more than 170 million cases worldwide. The aim of this survey was to determine the association between demographic factors and the clinical manifestation of disease. Methods: For this cross sectional study 384 women referred to health centers were randomly selected. Initial data were gathered through a face to face interview and were completed by their results of the two methods of laboratory tests that had performed separately on each sample. Data were all collected and analyzed using suitable tests asχ2 test. Results: The overall prevalence of trichomoniasis was 2.1% (of 384) by direct microscopy and 2.6% (of 384) by culture detection. There was no significant statistical difference between trichomoniasis and job (P>0.05). There was a significant statistical difference between trichomoniasis and delivery numbers (P=0.003). Conclusion: Results of the study showed that the prevalence of this disease was lower than the many other studies but higher than other studies. The different sensitivity and specify might be depended on their methods of laboratory tests besides demographic and cultural factors.
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