The association between prenatal cadmium exposure and birth weight: A systematic review and meta-analysis of available evidence
2019
Huang, Shouhe | Kuang, Jie | Zhou, Fankun | Jia, Qiyue | Lu, Qi | Feng, Zhang | Yang, Wei | Fan, Guangqin
We conducted a meta-analysis to evaluate the association between prenatal cadmium (Cd) exposure and birth weight. PubMed, Embase, China National Knowledge Infrastructure (CNKI), and Wanfang databases were searched for studies published before March 2019. We used a model-based method, standardizing effect size from linear regression models to include a maximum number of studies during our quantitative evaluations. As a result, 11 articles from the general population, containing 10 birth cohorts and one cross-sectional study, were included. Our meta-analysis demonstrated that a 50% increase of maternal urine Cd (UCd) would be associated with a 6.15 g decrease in neonatal birth weight (β = −6.15 g, 95% CI: −10.81, −1.49) as well as a 50% increase of maternal blood Cd (BCd) would be associated with an 11.57 g decrease (β = −11.57 g; 95% CI: −18.85, −4.30). Stratified analysis of UCd data indicated that the results of female newborns were statistically significant (β = −8.92 g, 95% CI: −17.51, −0.34), as was the first trimester (β = −11.34 g, 95% CI: −19.54, −3.14). Furthermore, increased UCd levels were associated with a higher rate of low birth weight (LBW) risk (OR = 1.12, 95% CI: 1.03, 1.22). This meta-analysis demonstrated that elevated maternal Cd levels are associated with decreased birth weight and higher LBW risk.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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