Objectives: Urinary Tract Infection (UTI) is one of the most common infections in women and the second most common complication after anemia during pregnancy that causes many complications in mothers as well as fetuses and since health behaviors have crucial role in development of UTI. This study was performed to determine predictors of preventive behaviors of the UTI in pregnant women in Zahedan based on health belief model (HBM) framework.

 Methods: This was descriptive study conducted by a questionnaire based on HBM construct among 140 pregnant women in Zahedan in 2013. The data were analyzed usingSPSS16.0 software and statistical test as pearson correlation test, regression

 Results:  finding showed that there was a low significant positive correlation between awareness, HBM constructs and UTI preventive behaviors. (p <0.05). Also self-efficacy had the greatest impact on the behavior which was statistically significant (β= 0.547).

Conclusion: According to the results, the design of an educational program based on HBM, with an emphasis on the self-efficacy, can be effective in promoting preventive behaviors of UTI.