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Effect of Iron Deficiency Anemia in Pregnancy on Child Mental Development in Rural China.
MedLine Citation:
PMID:  23400604     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE:To determine the impact of iron deficiency anemia (IDA) in pregnancy on young child development.METHODS:A 2-year follow-up of 850 children born to women who participated in a double-blind cluster randomized controlled trial of prenatal micronutrient supplementation in western rural China. These women were randomly assigned to receive either daily folic acid, iron/folic acid (60 mg iron), or multiple micronutrients (with 30 mg iron) during pregnancy. Children were categorized into the prenatal-IDA and prenatal-non-IDA groups based on the mother's hemoglobin in the third trimester. Each group contained 3 subgroups based on mother's treatment: folic acid, iron/folic acid, and multiple micronutrients. Bayley scales of infant development were administered to the children to assess their development at 3, 6, 12, 18, and 24 months of age.RESULTS:Compared with the prenatal-non-IDA group, the prenatal-IDA group showed a significantly lower mental development index at 12, 18, and 24 months of age. The adjusted mean difference was 5.8 (95% confidence interval [CI], 1.1-10.5), 5.1 (95% CI, 1.2-9.0), and 5.3 (95% CI, 0.9-9.7), respectively. Further analysis showed that the mental development indexes in the prenatal-IDA group and prenatal-non-IDA group were similar with supplementation of iron/folic acid but were significantly lower in the prenatal-IDA group with supplementation of folic acid or multiple micronutrients.CONCLUSIONS:Prenatal IDA in the third trimester is associated with mental development of the child. However, prenatal supplementation with sufficient iron protects child development even when the woman's IDA was not properly corrected in pregnancy.
Authors:
Suying Chang; Lingxia Zeng; Inge D Brouwer; Frans J Kok; Hong Yan
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-2-11
Journal Detail:
Title:  Pediatrics     Volume:  -     ISSN:  1098-4275     ISO Abbreviation:  Pediatrics     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-2-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376422     Medline TA:  Pediatrics     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
United Nations Children's Fund Office for China, Beijing, China;
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