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Pregnant "DES daughters" and their offspring
Canadian Family Physician Medecin De Famille Canadien
|April 29, 2005
Summary
Diethylstilbestrol (DES) exposure in pregnancy may pose risks to offspring. While animal studies show potential effects, human data is limited, suggesting monitoring for unlikely outcomes.
Area of Science:
- Reproductive health
- Prenatal exposure
- Endocrine disruption
Background:
- Diethylstilbestrol (DES) is a synthetic estrogen previously prescribed to prevent miscarriage.
- DES crosses the placenta and can affect fetal development.
- Concerns exist regarding the transgenerational effects of prenatal DES exposure.
Purpose of the Study:
- To address a patient's concern about potential effects on her expected child due to maternal DES exposure during pregnancy.
- To review existing evidence on the health risks to offspring following prenatal DES exposure.
Main Methods:
- Literature review of studies on diethylstilbestrol (DES) and its effects on offspring.
- Analysis of animal model data and limited human epidemiological studies.
Main Results:
- Animal studies indicate potential adverse effects on offspring following DES exposure.
- Human data supporting a strong link between prenatal DES exposure and specific adverse outcomes in offspring is limited.
- The risk of effects on the expected child is considered unlikely but possible.
Conclusions:
- Prenatal diethylstilbestrol (DES) exposure carries a potential, though unlikely, risk for offspring.
- Monitoring of the expected child for potential effects is a reasonable approach.
- Further research is needed to fully elucidate the long-term human health impacts of DES exposure.