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Exposure to New Emerging Bisphenols Among Young Children in Switzerland

Fiorella Lucarini1, Tropoja Krasniqi1, Gaëlle Bailat Rosset2

  • 1Department of Biomedical Sciences, University of Lausanne, 1011 Lausanne, Switzerland.

International Journal of Environmental Research and Public Health
|July 9, 2020
PubMed

Insights

Young children in Switzerland are exposed to bisphenol analogues, including bisphenol C (BPC) and bisphenol M (BPM). Urinary levels of bisphenol S (BPS) and bisphenol F (BPF) exceeded those of bisphenol A (BPA).

Area of Science:

  • Environmental Health
  • Toxicology
  • Pediatric Health

Background:

  • Restrictions on bisphenol A (BPA) have led to increased use of analogues.
  • Exposure to these emerging bisphenol analogues in young children is not well understood.
  • Urinary biomonitoring is crucial for assessing chemical exposure in vulnerable populations.

Purpose of the Study:

  • To characterize infant and toddler exposure to BPA and 14 bisphenol analogues.
  • To establish a baseline for bisphenol exposure in Swiss children.
  • To inform public health strategies for exposure reduction.

Main Methods:

  • Non-invasive collection of infant and toddler urine samples from diapers (n=109) in Swiss daycare centers.
  • Analysis of urinary concentrations of BPA and 14 emerging bisphenol analogues.
  • Statistical analysis to identify correlations between bisphenol levels and demographic factors.

Main Results:

  • Bisphenols were detected in 47% of samples.
  • Bisphenol C (BPC) and bisphenol M (BPM) were the most frequently detected analogues.
  • Mean urinary concentrations of bisphenol S (BPS) and bisphenol F (BPF) were higher than BPA.
  • A negative correlation was found between BPM concentration and age.

Conclusions:

  • This study provides the first characterization of bisphenol exposure in Swiss infants and toddlers.
  • BPS and BPF are significant urinary bisphenol metabolites in this population.
  • Findings support the need for biomonitoring and targeted exposure reduction strategies for young children.

Keywords:
biomonitoringbisphenol analogueschildren’s healthendocrine disruptorsurine

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