TITLE

Menarche age in Iran: A meta-analysis

AUTHOR(S)
Bahrami, Nasim; Soleimani, Mohammad Ali; Yiong Huak Chan; Ghojazadeh, Morteza; Mirmiran, Parvin
PUB. DATE
September 2014
SOURCE
Iranian Journal of Nursing & Midwifery Research;Sep/Oct2014, Vol. 19 Issue 5, p444
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Background: Research shows that the age at menarche, as an essential element in the reproductive health of women, had been decreasing in the 19th and 20th centuries, and shows a huge variation across different countries. There are numerous studies performed in Iran reporting a range of age at menarche. Thus, this meta-analysis aimed to determine the overall mean age at menarche of the girls in Iran. Materials and Methods: All relevant studies were reviewed using sensitive and standard keywords in the databases from 1950 to 2013. Two raters verified a total of 1088 articles based on the inclusion criteria of this study. Forty-seven studies were selected for this meta-analysis. Cochran test was used for samples' homogeneity (Tau-square). The mean age at menarche of the girls in Iran with 95% confidence interval (CI) from the random effects was reported. Results: The homogeneity assumption for the 47 reviewed studies was attained (Tau-square = 0.00). The mean (95% CI) menarche age of Iranian girls from the random effects was 12.81 (95% CI: 12.56-13.06) years. Conclusions: The results of this study showed that mean age at menarche was less than that of some European developed countries such as Switzerland, Sweden, and Denmark, more than that reported in some countries such as Greece and Italy, and similar to the values obtained in the United States of America and Colombia. Lower age at menarche in Iran may be largely attributed to the changes in lifestyle and diet of the children.
ACCESSION #
99197201

 

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