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Pesticide Chemical Linked to Earlier Periods in Girls
4 Aug
Summary
- Higher pesticide chemical ETU linked to earlier first period.
- Exposure measured via urine samples from girls aged 7-10.
- Diet is the main source of pesticide exposure for most.
A new study from Spain indicates a potential link between a pesticide-related chemical and earlier puberty in girls. Researchers found that higher levels of ethylene thiourea (ETU), a breakdown product of common fungicides, were associated with girls experiencing their first menstrual period at a younger age.
The study, part of the INMA project, analyzed urine samples from 506 girls. Elevated ETU levels correlated with a 32 to 39 percent higher likelihood of earlier menarche. Researchers noted that dietary intake, especially from conventionally grown produce, is the main pathway for human exposure.
While the findings suggest an association, the authors emphasize that the observational nature of the study does not establish direct causation. Further research is called for to confirm these results and explore the complex effects of pesticide mixtures on children's development.
