en <span style=font-size:14px;><span style=unicode-bidi:embed><span new= roman= style=font-family: times=><b><span cambria= style=font-family:>Aims: </span></b><span cambria= style=font-family:>COVID-19 outbreak in China affected all age groups. Among these groups, pregnant women are among the most important ones. This study aimed to investigate the effect of educational intervention in terms of the pattern of health beliefs to promote preventive behaviors against COVID-19 among pregnant women.</span></span></span><br> <span style=unicode-bidi:embed><span new= roman= style=font-family: times=><b><span cambria= style=font-family:>Material & Methods: </span></b><span cambria= style=font-family:>This descriptive study was performed as an intervention on pregnant women in Qom in 2021. One hundred-six women were chosen by <span style=color:#1f2023>multi-stage</span> sampling. The pre-test questionnaire was electronically given to the target group, and the educational protocol was provided to the group for a 2-month duration during several virtual sessions through videos, posters, and pamphlets. Thereafter, the questionnaire was completed again by all the individuals. The required data were collected in SPSS 20 software and then analyzed by t-test.</span></span></span><br> <span style=unicode-bidi:embed><span new= roman= style=font-family: times=><b><span cambria= style=font-family:>Findings: </span></b><span cambria= style=font-family:>Before conducting the educational intervention in terms of some variables, including age, education, occupation, spouse occupation, number of abortions, number of deliveries, weeks of pregnancy, illness during pregnancy, family illness, relatives, and death in family members due to diseases, no statistically significant difference was found between the intervention and control groups (p>0.05). After conducting the educational intervention, a significant difference was observed in the intervention group in terms of all constructs of the health belief model compared to the control group (p<0.05).</span></span></span><br> <span style=unicode-bidi:embed><span new= roman= style=font-family: times=><b><span cambria= style=font-family:>Conclusion: </span></b><span cambria= style=font-family:>The results of this study support the effectiveness of the intervention based on the health belief model in promoting preventive behaviors against COVID-19. </span></span></span></span> Pregnancy,Covid 19 disease,Health belief model 155 159 http://hehp.modares.ac.ir/browse.php?a_code=A-10-67142-1&slc_lang=en&sid=4