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Environmental toxicants and human fertility
1Reproductive Biology Division, Department of Obstetrics and Gynecology, McMaster University Medical Center, Hamilton, ON, Canada. fosterw@mcmaster.ca
Minerva Ginecologica
|October 29, 2003
Summary
Environmental toxicants may impact human reproductive health and fertility. This review examines evidence linking chemical exposures to infertility, exploring biological mechanisms and potential health risks.
Area of Science:
- Environmental Health
- Toxicology
- Reproductive Biology
Background:
- Growing concern exists regarding the negative impact of environmental factors on human health.
- Environmental toxicants exhibit hormone-like activity and endocrine toxicity, raising concerns about reproductive function and fertility.
- Epidemiological studies suggest a link between workplace chemical exposure and adverse reproductive outcomes.
Purpose of the Study:
- To review the evidence associating environmental toxicant exposure with infertility.
- To examine the biological plausibility of this association.
- To synthesize current understanding of chemical contaminants' role in idiopathic infertility.
Main Methods:
- Literature review of epidemiological studies.
- Analysis of animal studies providing biological plausibility.
- Examination of cell and organ culture experiments detailing mechanisms of action.
Main Results:
- While epidemiological evidence is equivocal, animal studies support a biological basis for the association.
- Cell and organ culture experiments demonstrate potential mechanisms by which toxicants affect the reproductive system.
- Environmental toxicant residues have been detected in human serum and ovarian follicular fluid.
Conclusions:
- Environmental toxicant exposure is a plausible contributing factor to infertility.
- Further research is warranted to elucidate the precise mechanisms and extent of this association.
- Understanding these links is crucial for public health initiatives aimed at protecting reproductive health.