The long-term programming effect of maternal 25-hydroxyvitamin D in pregnancy on allergic airway disease and lung function in offspring after 20 to 25 years of follow-up

S Hansen, E Maslova, M Strom, A Linneberg, TI Halldorsson, C Granstrom, R Dahl, HJ Hoffmann, SF Olsen

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26 Citations (Scopus)

Abstract

Background

High prenatal vitamin D status has been linked to decreased risk of atopic diseases in early childhood, but whether such relations persist until adulthood has not been explored.
Objective

We sought to examine the association between maternal 25-hydryxovitamin D (25[OH]D) concentrations and outcomes of allergic airway disease and lung function in offspring with 20 to 25 years of follow-up.
Methods

In a prospective birth cohort with 965 pregnant women enrolled in 1988-1989, maternal 25(OH)D concentrations were quantified in serum from gestational week 30 (n = 850 [88%]). Offspring were followed in nationwide registries with complete follow-up to the age of 25 years (n = 850 [100%]). Additionally, at age 20 years, outcomes of allergic airway disease and lung function were assessed in a subset of offspring by using blood samples and spirometry (n = 410 [45%]) and a questionnaire (n = 641 [70%]).
Results

Exposure to a high maternal 25(OH)D concentration (≥125 nmol/L) was associated with an increased risk of asthma hospitalizations in offspring (hazard ratio [HR], 1.81; 95% CI, 0.78-4.16) during 25 years of follow-up compared with the reference group (75-<125 nmol/L). Furthermore, there were lower risks of asthma hospitalizations (HR, 0.29; 95% CI, 0.08-1.02) and asthma medication use (HR, 0.58; 95% CI, 0.35-0.95) in those exposed to a low maternal 25(OH)D concentration (<50 nmol/L). In a reduced set of participants, we found no associations between maternal 25(OH)D concentrations and offspring allergen-specific IgE, total IgE, and eosinophil cationic protein levels; self-reported doctor's diagnosis of asthma or hay fever; or lung function at 20 years of age.
Conclusions

Our study does not provide support for a protective effect of a high maternal 25(OH)D concentration on outcomes of allergic airway disease and lung function at 20 to 25 years of age. In contrast, a high maternal 25(OH)D concentration might be associated with an increased risk of allergic diseases in offspring.
Original languageEnglish
Pages (from-to)169-176
Number of pages8
JournalJournal of allergy and clinical immunology
Volume136
Issue number1
DOIs
Publication statusPublished - 2015

Keywords

  • cohort
  • pregnancy
  • fetal programming
  • 25-hydroxyvitamin D
  • asthma
  • allergic rhinitis
  • lung function

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