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Phthalate exposure in pregnant women and their children in central Taiwan

Susana Lin1, Hsiu-Ying Ku, Pen-Hua Su

  • 1National Health Research Institutes, Taiwan. susanalin@nhri.org.tw

Chemosphere
|November 16, 2010
PubMed

Insights

Phthalate exposure is higher in Taiwanese children than pregnant women, with DEHP metabolites most common. Further research is needed on DEHP and DiNP health effects in children.

Area of Science:

  • Environmental Health
  • Toxicology
  • Pediatrics

Background:

  • Phthalate exposure is linked to endocrine disruption and developmental toxicity.
  • Increased plastic use may elevate phthalate exposure in Taiwan, especially for children.
  • Urgent need to assess phthalate exposure levels and health impacts in vulnerable populations.

Purpose of the Study:

  • To quantify phthalate metabolite levels in pregnant women, newborns, and children in Taiwan.
  • To compare exposure levels across different age groups and sample types (urine, cord blood, milk).
  • To investigate correlations between maternal and infant phthalate exposure.

Main Methods:

  • Prospective cohort study in Central Taiwan.
  • Analysis of 11 phthalate metabolites in urine, cord serum, and breast milk samples.
  • Statistical analysis including excretion factors and correlation analysis.

Main Results:

  • Higher urinary phthalate metabolite concentrations in 2- and 5-year-old children compared to pregnant women.
  • Di(isononyl) phthalate (DiNP) metabolite proportion was significantly higher in children's urine.
  • Phthalate levels in cord blood and milk were relatively low and comparable to global levels, with a correlation between maternal urine and cord blood DEHP metabolites.

Conclusions:

  • Taiwanese children exhibit higher phthalate exposure than pregnant women, particularly from DEHP and DiNP.
  • Maternal urinary DEHP metabolite levels correlate with cord blood levels.
  • Further investigation into the health effects of DEHP and DiNP exposure in children is warranted.

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