Journal of Knowledge & Health1735-577X11220160315The Prevalence of Helicobacter Pylori Infection among Iranian Pregnant Women- a Meta-Analysis Study172310.1234/knh.v11i2.1255FAShamsiAbbasalizadehWomen’s Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.. milad98azami@gmail.comZahraDarvishiFatemehAbbasalizadehMiladAzamiMiladBorjiAlirezaAfshar Safavid201510302016011420160111Introduction: Helicobacter pylori is a well-known bacteria; it produces multiple and serious gastrointestinal diseases. Studies in Iran, The prevalence of Helicobacter pylori infection is Variable between 7. 7-80% in pregnant women. The present study aims at assessing the prevalence of Helicobacter pylori infection among Iranian pregnant women using a meta-analysis method.Methods: According to purpose study, published articles in national and international journals were examined about prevalence of H. pylori infection among Iranian pregnant women. To achieve the related documentation, national and International databases include: Magiran, Iran medex, IranDoc, SID, Medlib, Embase, Scopus, Web of Science, Pubmed, Science Direct, Cochrane and the Google Scholar search engine no time limit to 2015 were searched by using standard keywords. Search, data extraction and quality assessment were independently carried out by two researchers. The data were combined using Random Effects Model through Meta-Analysis method by Stata software.Results: 1605 subjects were studied in 22 studies. The prevalence of H. pylori infection among Iranian pregnant women was estimated as 45.9% (95% CI: 39.4- 52.5). Minimum and maximum of this range were related to the West (36.2%) and the South (61.5%).Conclusions: The prevalence of H. pylori infection among Iranian pregnant women is high and similar Iranian general population, the preventive strategies should be carried out to control this infection.