Definition: In contemporary usage, the term teratology generally refers to disfiguring birth defects or malformations. Another term for this is dysmorphology, meaning "the study of abnormal form." (taken from Wikipedia)

• The UK National Teratology Information Service

• Organization of Teratology Information Specialists (USA)
• Teratology and Drug Use During Pregnancy (eMedicine)
• Wikipedia entry on teratology

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