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Maternal iron intake at mid-pregnancy is associated with reduced fetal growth: Results from Mothers and Children's Environmental Health (MOCEH) study

Title
Maternal iron intake at mid-pregnancy is associated with reduced fetal growth: Results from Mothers and Children's Environmental Health (MOCEH) study
Authors
Hwang J.-Y.Lee J.-Y.Kim K.-N.Kim H.Ha E.-H.Park H.Ha M.Kim Y.Hong Y.-C.Chang N.
Ewha Authors
하은희장남수박혜숙김혜숙
SCOPUS Author ID
하은희scopus; 장남수scopus; 박혜숙scopus; 김혜숙scopus
Issue Date
2013
Journal Title
Nutrition Journal
ISSN
1475-2891JCR Link
Citation
vol. 12, no. 1
Indexed
SCIE; SCOPUS WOS scopus
Abstract
Background: Iron supplementation is a common recommendation for pregnant women to prevent iron deficiency during pregnancy. There is an increasing concern about excessive iron consumption as a general iron prophylaxis by pregnant women without any due consideration about their dietary iron intake or iron status. Our present study investigated the association between total iron intake from diet and supplements and fetal growth in 337 pregnant women at mid-pregnancy in South Korea. Methods. Iron intake from diet and supplements was examined by a 24-hour recall method. Subjects were divided into three groups based on tertiles of total iron intake levels. Fetal biometry was assessed by ultrasonography at mid-pregnancy. Results: About 99% of the non-supplement users had iron intake below the recommended nutrient intake (RNI) for pregnant women (24 mg), whereas 64.9% of supplement users had iron intake above the upper level (UL) (45 mg). In the babies of mothers in the third tertile of iron intake (>17.04 mg), biparietal diameter, abdominal circumference, and femur length were lower by 0.41 cm (P =0.019), 0.41 cm (P = 0.027), and 0.07 cm (P = 0.051), respectively, than the babies of mothers in the second tertile of iron intake (11.49 ∼ 17.04 mg). Conclusion: These results suggest that excessive maternal iron intake at mid-pregnancy is associated with reduced fetal growth. Iron supplementation for pregnant women should be individualized according to their iron status. Appropriate diet education is needed for pregnant women so that they can consume adequate amounts of iron from food and supplements. © 2013 Hwang et al.; licensee BioMed Central Ltd.
DOI
10.1186/1475-2891-12-38
Appears in Collections:
의과대학 > 의학과 > Journal papers
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