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[Teratogenic effects of exogenous agents]

L M Graça1, M H Machado

  • 1Serviço de Obstetricia e Ginecologia, Hospital de Santa Maria/Faculdade de Medicina de Lisboa, Lisboa.

Acta Medica Portuguesa
|July 1, 1995
PubMed
Summary

Thalidomide revealed teratogenic risks, prompting research into extrinsic agents. However, recent reviews indicate most agents are not harmful to human embryonic and fetal development.

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Area of Science:

  • Developmental toxicology
  • Teratology
  • Embryology and fetal development

Context:

  • Post-Thalidomide era spurred extensive research on teratogenic agents.
  • Scientific demonstration of harm from extrinsic agents has often been lacking.
  • Understanding teratogenic mechanisms is a burgeoning field of investigation.

Purpose:

  • To review recent trends and concepts in human teratogenesis.
  • To evaluate the human teratogenic potential of extrinsic agents.
  • To clarify the actual risks posed by various environmental and chemical exposures.

Summary:

  • Despite concerns following Thalidomide, extensive research over the past decade has investigated numerous extrinsic agents for teratogenic effects.
  • A significant body of literature now exists on teratogenic mechanisms and outcomes.
  • This review synthesizes current understanding, concluding that most investigated agents do not pose a significant risk to human embryonic and fetal development.

Impact:

  • Provides a clear overview of the current state of human teratogenesis research.
  • Helps to differentiate between potential and actual teratogenic risks.
  • Informs public health policies and clinical guidance regarding environmental exposures during pregnancy.

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