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Findings on potential teratogens from a case-control study in Western Australia
Martha M Werler1, Carol Bower, Jan Payne
1Telethon Institute for Child Health Research, Subiaco, Western Australia, Australia. mwerler@slone.bu.edu
The Australian & New Zealand Journal of Obstetrics & Gynaecology
|January 10, 2004
Summary
This study found no significant link between corticosteroid use and birth defects in Western Australian women. While some associations for folic acid antagonists and vasoactive drugs were suggested, they were not statistically significant.
Area of Science:
- Obstetrics and Gynecology
- Teratology
- Epidemiology
Background:
- Medication use during pregnancy is a concern for potential birth defect risks.
- Previous studies have suggested associations between certain drug classes and congenital anomalies.
Purpose of the Study:
- To investigate the association between specific drug exposures during pregnancy and the occurrence of birth defects in Western Australian women.
- To examine the use of corticosteroids, folic acid antagonists, and vasoactive drugs in relation to birth defects.
Main Methods:
- A retrospective case-control study was conducted using data from Western Australia (1997-2000).
- Case subjects were infants with structural birth defects, and controls were infants without defects.
- Mothers completed questionnaires detailing pregnancy exposures, including medication use in the first trimester.
Main Results:
- Corticosteroid use showed no significant difference between case and control groups.
- A trend towards increased risk was observed for folic acid antagonists (OR 2.3) and vasoactive drugs (OR 3.0 when combined with smoking), but these were not statistically significant.
- Specific vasoactive drugs included pseudoephedrine, aspirin, ibuprofen, amphetamine, cocaine, and ecstasy.
Conclusions:
- No statistically significant association was found between the studied drug classes (corticosteroids, folic acid antagonists, vasoactive agents) and birth defects in this cohort.
- The findings suggest that while some drug classes may warrant further investigation, the current study did not provide conclusive evidence of teratogenicity in Western Australian women.