Association of bisphenol A with puberty timing: a meta-analysis
Hui Meng1, Yunping Zhou1, Yunxia Jiang1
1School of Nursing, Qingdao University, Qingdao, Shandong, China.
Objectives:
The results of existing studies on bisphenol A (BPA) and puberty timing did not reach a consensus. Thereby we performed this meta-analytic study to explore the association between BPA exposure in urine and puberty timing.
Methods:
Meta-analysis of the pooled odds ratios (OR), prevalence ratios (PR) or hazards ratios (HR) with 95% confidence intervals (CI) were calculated and estimated using fixed-effects or random-effects models based on between-study heterogeneity.
Results:
A total of 10 studies involving 5621 subjects were finally included. The meta-analysis showed that BPA exposure was weakly associated with thelarche (PR: 0.96, 95% CI: 0.93-0.99), while no association was found between BPA exposure and menarche (HR: 0.99, 95% CI: 0.89-1.12; OR: 1.02, 95% CI: 0.73-1.43), and pubarche (OR: 1.00, 95% CI: 0.79-1.26; PR: 1.00, 95% CI: 0.95-1.05).
Conclusions:
There was no strong correlation between BPA exposure and puberty timing. Further studies with large sample sizes are needed to verify the relationship between BPA and puberty timing.
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