ISSN: 2149-2247 | E-ISSN: 2149-2549

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Erciyes Medical Journal The association between placenta previa and the risk of preeclampsia: a meta-analysis [Erciyes Med J]
Erciyes Med J. Ahead of Print: EMJ-66742 | DOI: 10.14744/etd.2019.66742

The association between placenta previa and the risk of preeclampsia: a meta-analysis

Ensiyeh Jenabi1, Yousef Veisani2, Salman Khazaei3
1Autism Spectrum disorders Research center, Hamadan University of Medical Sciences, Hamadan, Iran
2Psychosocial Injuries Research Center, Ilam University of Medical Sciences, Ilam, Iran
3Research Center for Health Sciences, Hamadan University of Medical Sciences, Hamadan, Iran

Background: There is a contradict results regarding the effect of previa on the preeclampsia. Therefore this study aimed to systematically review of relevant literatures and determine the association between placenta previa and pre-eclampsia in pregnant women.
Materials& methods: Electronic scientific databases including: Scopus, PubMed and Web of Science were searched to identify relevant published studies. Two independent authors studied the selected studies and extracted data. I² statistics was used to assess the variation across studies. The random effects model was used to assess pooled effect sizes. Data were analyzed through Stata software version 12.
Results: The results of present meta-analysis of nine studies indicated a significant relation between placenta previa and risk of preeclampsia. The odds of preeclampsia in placenta previa cases compared control groups was 0.55 (95% CI: 0.26, 0.85), and in studies with adjustment on confounder variables was 0.17(95% CI: 0.07, 0.27).
Conclusions: Our results showed that placenta previa is associated with decrease incidence of preeclampsia.

Keywords: Placenta previa, Preeclampsia, Pregnancy.



Corresponding Author: Salman Khazaei
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