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Objective <p>This study aimed to compare the concentrations of ten metals in meconium samples from an urban and a suburban hospital in New York State.</p> Study design <p>A cross-sectional study was conducted on mother-child pairs. Meconium metal concentrations were quantified using inductively coupled plasma mass spectrometry (ICP-MS) and samples were compared using Wilcoxon rank-sum tests. Additionally, a scoping review was conducted to compare literature concentrations.</p> Results <p>The findings of the cross-sectional study indicated significantly higher levels of toxic metals, lead, and cadmium (<i>p</i> &lt; 0.05), in the urban samples, but higher copper, chromium, iron, and molybdenum (<i>p</i> &lt; 0.001) were identified in suburban samples. The scoping review identified studies in low and high pollution areas. Our study findings were comparable with the results from low pollution locations.</p> Conclusion <p>Understanding metal concentrations in newborns, both toxic and nutritionally necessary, from different geographic areas is an important step in the assessment of prenatal exposure.</p>

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Prenatal metal exposures in urban and suburban New York, and a scoping review to compare metal concentrations in meconium across studies

  • 期刊论文

  • 发表日期：

    2025年12月4日

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  • Fiona Fogarty,
  • Brian Pavilonis,
  • Jin Shin,
  • Zhongqi Cheng,
  • Nadine Lahage,
  • Prabhakar Kocherlakota,
  • Suzanne McDermott

摘要

Objective

This study aimed to compare the concentrations of ten metals in meconium samples from an urban and a suburban hospital in New York State.

Study design

A cross-sectional study was conducted on mother-child pairs. Meconium metal concentrations were quantified using inductively coupled plasma mass spectrometry (ICP-MS) and samples were compared using Wilcoxon rank-sum tests. Additionally, a scoping review was conducted to compare literature concentrations.

Results

The findings of the cross-sectional study indicated significantly higher levels of toxic metals, lead, and cadmium (p < 0.05), in the urban samples, but higher copper, chromium, iron, and molybdenum (p < 0.001) were identified in suburban samples. The scoping review identified studies in low and high pollution areas. Our study findings were comparable with the results from low pollution locations.

Conclusion

Understanding metal concentrations in newborns, both toxic and nutritionally necessary, from different geographic areas is an important step in the assessment of prenatal exposure.