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Maternal Hemoglobin Concentration during Gestation and Risk of Anemia in Infancy: Secondary Analysis of a Randomized Controlled Trial
  • Published Date:
    Jun 02 2016
  • Source:
    J Pediatr. 175:106-110.e2.


Public Access Version Available on: August 01, 2017 information icon
Please check back on the date listed above.
Details:
  • Pubmed ID:
    27263403
  • Pubmed Central ID:
    PMC4981517
  • Funding:
    U01 DD000293/DD/NCBDD CDC HHS/United States
  • Document Type:
  • Collection(s):
  • Description:
    Objective

    To examine the relationship between maternal hemoglobin (Hb) concentration and the risk of anemia in infancy.

    Study design

    This analysis included 17,193 women who entered the trial when they were 20 years of age or older, no more than 20 weeks of gestation, had mild or no anemia, and delivered singleton live births. Maternal Hb concentrations were measured in the first trimester and during 24-28 weeks of gestation; infant Hb concentrations were measured at 5-7 months and 11-13 months of life. The associations between maternal Hb concentrations and infant Hb concentrations were examined.

    Results

    Maternal Hb concentrations measured during 24-28 weeks of gestation, but not in the first trimester, were correlated with infant Hb concentrations measured at either of the two post-partum periods. The risk of infant anemia at 5-7 months increased when maternal Hb concentration was ≤109 g/L during 24-28 weeks of gestation ([AOR: 1.95, 95% CI: 1.59-2.40] and 11-13 months [AOR: 1.72, 95% CI: 1.36-2.18]); whereas the risk of anemia during 5-7 months as well as 11-13 months in infancy decreased when maternal Hb level at 24-28 weeks of gestation was 120-129 g/L (AOR for 5-7 months: 0.74, 95% CI: 0.64-0.85; AOR for 11-13 months: 0.72, 95% CI: 0.61-0.85) or ≥130 g/L (AOR for 5-7 months: 0.75, 95% CI: 0.63-0.90; AOR for 11-13 months: 0.89, 95% CI: 0.73-1.08).

    Conclusion

    Low maternal Hb concentration during 24-28 weeks of gestation was associated with an increased risk of anemia in infancy, whereas high maternal Hb concentration was associated with a reduced risk of anemia.

  • Supporting Files:
    No Additional Files