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Prevalence of Listeria Monocytogenes Infection in Iranian Pregnant Women With and Without a History of Abortion: A Systematic Review and Meta-Analysis Publisher



Pour SH1, 2 ; Sefidkar R3 ; Savvaidis I4 ; Sadrabad EK1, 5 ; Fatahibafghi M6 ; Mohajeri FA1, 5
Authors
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Authors Affiliations
  1. 1. Infectious Diseases Research Center, Shahid Sadoughi Hospital, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
  2. 2. Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Center for Healthcare Data Modeling, Department of Biostatistics and Epidemiology, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
  4. 4. Department of Environmental Health Sciences, College of Health Science, University of Sharjah, Sharjah, United Arab Emirates
  5. 5. Department of Food Hygiene and Safety, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
  6. 6. Department of Microbiology, Faculty of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran

Source: Journal of Kerman University of Medical Sciences Published:2025


Abstract

Background: Listeria monocytogenes (LM) is an important foodborne pathogen that can cause miscarriage, stillbirth, or premature birth of the fetus in pregnant women. This study aimed to investigate the prevalence of LM infection in Iranian pregnant women with and without a history of abortion. Methods: A systematic search was performed in national (Iranian Scientific Information Database [SID], Magiran, IranMedex) and international (PubMed, Scopus, Web of Science) electronic databases for literature published between January 1, 1999, to the end of January 2022. Data analysis was done using R Studio software version 1.4.1717. Results: In total, 17 studies, including 2553 women with a history of abortion and 1065 women without a history of abortion (3168 Iranian pregnant women), were included for the final analysis. The prevalence of LM infection in Iranian pregnant women with and without a history of abortion was estimated at 14% (95% CI: 13%–16%) and 5% (95% CI: 4%–7%), respectively. In addition, the incidence of the hlyA gene in Iranian pregnant women with and without a history of abortion was 11% (95% CI; 5%–22%). Conclusion: The results of this study show that the prevalence of LM was higher in women who had a history of abortion compared to women without a history of abortion. Therefore, it seems that one of the possible etiological factors of abortion among Iranian pregnant women is the high prevalence of infection with LM. © 2025 The Author(s); Published by Kerman University of Medical Sciences.
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