Folic acid supplementation in early pregnancy and asthma in children aged 6 years

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    • Subject Terms:
      FOLIC acid; PREGNANCY; ASTHMA in children; FIRST trimester of pregnancy; LONGITUDINAL method; JUVENILE diseases; CHILDREN'S health; PEDIATRICS; DISEASE risk factors
    • Abstract:
      Objective: The objective of the study was to assess whether folic acid intake during the first trimester of pregnancy is related to asthma in the offspring by the age of 6 years. Study Design: This was a prospective cohort study of 1499 women who were followed up from the first trimester of pregnancy. Their children were followed up until they were 6 years old. Results: Fifty-one percent of the women used folic acid in the month before conception and 88% in the third month of pregnancy. The adjusted odds ratio for asthma per 100 μm increase in the average daily intake of folic acid was 0.98 (95% confidence interval, 0.93–1.04). For categories of daily folate intake, there was no evidence of associations with childhood asthma or evidence of any dose response relation for any time period (all P trend > .05). Conclusion: Our results do not support any association of folic acid supplementation in pregnancy and asthma risk in offspring by age 6 years. [ABSTRACT FROM AUTHOR]
    • Abstract:
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