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Congenital Abnormalities, Dysmorphism, and Developmental Delay
CHAPTER OBJECTIVES
- Congenital Abnormalities (Birth Defects) and Dysmorphology
- Clinical Dysmorphology—Classification of Foetal and Birth Defects
- Diagnostic Approach to the Dysmorphic Foetus Teratology
- Basic Principles of Teratology
- Developmental Milestones
CONGENITAL ABNORMALITIES (BIRTH DEFECTS) AND DYSMORPHOLOGY
In many developed countries, congenital malformations represent the most frequent cause of mortality during the first year of life; for example, they account for more than 20% of all infant deaths. At birth, about 2–3% of infants are found to have major structural defects and this frequency increases to 3–1% by the age of 1 year. Additionally, birth defects contribute ...
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