Exposure to Non-Steroidal Anti-Inflammatory Drugs during Pregnancy and the Risk of Selected Birth Defects: A Prospective Cohort Study
2011

Prenatal NSAID Exposure and Birth Defects

Sample size: 67891 publication Evidence: moderate

Author Information

Author(s): Marleen M. H. J. van Gelder, Nel Roeleveld, Hedvig Nordeng

Primary Institution: Radboud University Nijmegen Medical Centre

Hypothesis

Does exposure to non-steroidal anti-inflammatory drugs (NSAIDs) during pregnancy increase the risk of birth defects?

Conclusion

Exposure to NSAIDs during the first 12 weeks of gestation does not seem to be associated with an increased risk of selected birth defects.

Supporting Evidence

  • NSAID use during pregnancy is common, but the study found no significant increase in birth defects.
  • Only a small percentage of women reported NSAID use during the first trimester.
  • The study used a large cohort to assess the risks associated with NSAID exposure.

Takeaway

Taking certain pain medications during pregnancy doesn't seem to cause problems for babies, but we need to be careful because we didn't look at every possible issue.

Methodology

The study analyzed data from 69,929 women in the Norwegian Mother and Child Cohort Study, focusing on NSAID use and birth outcomes.

Potential Biases

Selection bias may have occurred due to the low participation rate in the cohort study.

Limitations

The small number of NSAID-exposed infants for individual birth defect categories limited the ability to detect specific associations.

Participant Demographics

The study included women enrolled in early pregnancy between 1999 and 2006, with a participation rate of 43.5%.

Statistical Information

Confidence Interval

0.4–1.1

Digital Object Identifier (DOI)

10.1371/journal.pone.0022174

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