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Mothers' dietary patterns during pregnancy and risk of asthma symptoms in children at 3 years

N Fitzsimon1, U Fallon, D O'Mahony

  • 1UCD School of Public Health and Population Science.

Irish Medical Journal
|October 25, 2007
PubMed

Insights

Maternal diet during pregnancy may influence childhood asthma risk. Higher intake of fruits, vegetables, and oily fish was linked to lower risk, while higher spreadable fat intake was associated with increased risk.

Area of Science:

  • Pediatric Allergy and Immunology
  • Nutritional Epidemiology
  • Public Health

Background:

  • Early life dietary factors are increasingly implicated in the development of childhood asthma.
  • Understanding maternal dietary influences during pregnancy is crucial for asthma prevention strategies.

Purpose of the Study:

  • To investigate the association between maternal dietary patterns during pregnancy and the risk of childhood asthma diagnosis by age 3.
  • To analyze the impact of specific food groups on asthma aetiology in the Life-ways cohort.

Main Methods:

  • Utilized a validated food frequency questionnaire to assess maternal dietary patterns during pregnancy.
  • Analyzed general practitioner diagnosis records for asthma in 631 children up to age 3.
  • Employed logistic regression models, adjusting for maternal lifestyle and socio-economic factors.

Main Results:

  • A maternal diet rich in fruits, vegetables, and oily fish was associated with a reduced risk of childhood asthma.
  • Higher maternal intake of spreadable fats correlated with an increased risk of asthma diagnosis in children.
  • Asthma prevalence was 10.4%, consistent with existing epidemiological data.

Conclusions:

  • Maternal dietary patterns during pregnancy appear to play a significant role in the aetiology of childhood asthma.
  • Specific dietary components, such as fruits, vegetables, oily fish, and fats, may modulate asthma risk.
  • Further research is needed to explore confounding factors and long-term effects of maternal diet on childhood respiratory health.

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