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Neural tube defects.

R J Lemire1

  • 1Department of Pediatrics, University of Washington School of Medicine, Seattle.

JAMA
|January 22, 1988
PubMed
Summary

Neural tube defects (NTDs), such as anencephaly and meningomyelocele, are declining globally. This decrease may be linked to advances in prenatal diagnosis, genetic counseling, and nutritional supplementation.

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Anencephaly: its spectrum and relationship to neural tube defects.

Journal of craniofacial genetics and developmental biology·1990

Area of Science:

  • Developmental biology
  • Neuroscience
  • Public health

Background:

  • Neural tube defects (NTDs) are congenital malformations affecting the brain and spinal cord.
  • Common NTDs like anencephaly and meningomyelocele occur during early embryonic development (neurulation).
  • These defects can be 'open' (exposed neural tissue) or 'skin-covered'.

Purpose of the Study:

  • To summarize the nature and incidence trends of neural tube defects.
  • To explore potential factors contributing to the observed decline in NTD rates.

Main Methods:

  • Literature review and analysis of epidemiological data on NTD incidence.
  • Discussion of etiological factors and preventive strategies.

Main Results:

  • The incidence of NTDs is decreasing in various regions, including the United States.
  • The reasons for this decline are not fully understood but are being investigated.

Conclusions:

  • Factors such as improved prenatal diagnosis, genetic counseling, and nutritional supplementation may contribute to the declining NTD rates.
  • Continued research is needed to fully elucidate the causes and effective prevention strategies for NTDs.

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