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:: Volume 1, Issue 2 (Caspian J Reprod Med 2015) ::
Caspian J Reprod Med 2015, 1(2): 27-33 Back to browse issues page
Systematic review and meta-analysis of mean age at menarche in Iranian girls
Farideh Mohsenzadeh- ledari * , Afsaneh Keramat , Ahmad Khosravi
Shahroud University of Medical Sciences, Shahroud, Iran
Abstract:   (4561 Views)

Background: Many observational studies were published concerning the mean age at menarche and suggested those which may be a decreasing age at menarche in Iranian girls. The aim of this systematic review and meta-analysis was to estimate the overall mean age at menarche in Iranian girls. 

Methods: We searched using online databases through December 2014 using and examined the reference lists of pertinent paper. Finally, 28 cross-sectional studies were selected for this meta-analysis. Cochran and tau-two tests were used for the detection of homogeneity of samples. The common average was calculated by random effect using RevMan 5 and Stata software. The cumulative meta-analysis and meta-regression were used to review the factors affecting heterogeneity. 
Results: The mean age at menarche was13.9 years before 2000 and after 2000 was 12.6 years. The overall mean (95% CI) age at menarche was calculated 12.872 (95% CI: 12.874, 12.870) years based on stochastic models. 
Conclusion: These findings indicated that the mean age at menarche in Iranian girls was less than that of the region and developing countries therefore performing a systematic review and meta-analysis to evaluate related factors that influence age at menarche in Iranian girls could be beneficial.
Keywords: Age at menarche, Menstruation, Meta-analysis, Systematic review
Full-Text [PDF 458 kb]   (1366 Downloads)    
Type of Study: Original Research | Subject: Obstetrics and Gynecology
Received: 2015/04/16 | Accepted: 2015/06/19 | Published: 2015/06/28
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Mohsenzadeh- ledari F, Keramat A, Khosravi A. Systematic review and meta-analysis of mean age at menarche in Iranian girls. Caspian J Reprod Med. 2015; 1 (2) :27-33
URL: http://caspjrm.ir/article-1-58-en.html


Volume 1, Issue 2 (Caspian J Reprod Med 2015) Back to browse issues page
Caspian Journal of Reproductive Medicine
Caspian J Repord Med: Infertility and Reproductive Health Research Center of Babol University of Medical Sciences, Babol-Amol old highway, after Mohammadhasan Khan bridge, Babol, Mazandaran, Iran, P.O. Box: 47135-547 Tel: +98-11-32274881-2 Fax: +98-11-32274880 E-mail: info@caspjrm.ir Website: www.caspjrm.ir
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