the prevalence of iron deficiency anemia during pregnancy in iran (1991-2015): a systematic review and meta-analysis

introduction: the prevalence of iran deficiency anemia (ida) in pregnant women is in variable between 40-80% in developing countries. there are some differences among different studies on this disorder. so, this present study is been performed for evaluating the prevalence of ida among pregnant iranians with systematic review and meta analysis method. method: this study is based on received information achieved from magiran, , iran medex, sid, med lib, irandoc, scopus, pubmed, sceincedirect, cochrane, embase, medline, springer, online library wiley and google scholar in chronological order of 1 january 1991 to 31 march 2015 with using standard key words. search and extraction of data were done by two independed reviewers. to pooled of results of studies random effects model in meta-analysis was used. results: in the 32 eligible studies, the 63372 individuals were been evaluated. the prevalence of anemia among pregnant iranians was estimated 14.2% (95% ci: 12- 16.3%). most prevalence of anemia was seen in the study, which it is used the samples collected in several parts of country, (21.5%) and the lowest prevalence was seen in the west of country(7%). the prevalence of anemia in urban and rural pregnant women was estimated 13.7% and 20% approximately, respectively. conclusion: the prevalence of anemia among pregnant iranians in current 24 years were less according to who system report for developing countries, that it is related to appropriate plan and care in pregnancy period in countries.