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Preconception health care and congenital disorders: mathematical modelling of the impact of a preconception care programme on congenital disorders.

AbstractOBJECTIVE:
This study aims to model the impact of preconception care on births with congenital disorders at a national level.
DESIGN:
Mathematical cross-sectional model based on life-table methodology.
SETTING:
Research conducted in Cambridge, United Kingdom.
POPULATION:
Women aged 15-45 years in England, 2001.
METHODS:
A mathematical model was constructed based on cross-sectional data from women aged 15-45 years in England undertaking one of three interventions, so as to reflect different strategies of preconception care: folic acid supplementation and fortification (representing national, universal interventions); alcohol intervention (reflecting primary care strategies); and diabetes management (targeting a population of high-risk women with a known chronic disease).
MAIN OUTCOME MEASURE:
Reduction in the prevalence of congenital disorders at birth.
RESULTS:
Between 585 (lower estimate) and 1085 (upper estimate) congenital disorders could be prevented with a national preconception programme, based on a single-year national cohort in England. This represents an 8-15% reduction in annual notifications of congenital disorders in live births annually. According to modelled estimates, folic acid fortification or supplementation, alcohol intervention, and diabetic management may result in a 46, 32-62, 53, and 54% reduction in the live birth prevalence of specific congenital disorders, respectively. In an ideal scenario, the application of this model decreases the total annual number of congenital disorder notifications by approximately one-sixth.
CONCLUSION:
A preconception care programme comprising three different strategies potentially can reduce the number of infants born with congenital disorders at a national level. This model provides strong support for preconception care to become a healthcare priority, and has major implications for healthcare planning.
AuthorsG D Shannon, C Alberg, L Nacul, N Pashayan
JournalBJOG : an international journal of obstetrics and gynaecology (BJOG) Vol. 120 Issue 5 Pg. 555-66 (Apr 2013) ISSN: 1471-0528 [Electronic] England
PMID23331865 (Publication Type: Journal Article)
Copyright© 2013 The Authors BJOG An International Journal of Obstetrics and Gynaecology © 2013 RCOG.
Chemical References
  • Folic Acid
Topics
  • Adolescent
  • Adult
  • Alcohol Drinking (adverse effects)
  • Congenital Abnormalities (prevention & control)
  • Cross-Sectional Studies
  • Female
  • Folic Acid (administration & dosage)
  • Humans
  • Middle Aged
  • Models, Theoretical
  • National Health Programs
  • Preconception Care (methods)
  • Pregnancy
  • Prevalence
  • Risk Factors
  • United Kingdom
  • Young Adult

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