| A Randomized Trial of Vitamin D Supplementation in Two Community Health Center Networks in South Carolina. | |
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MedLine Citation:
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PMID: 23131462 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVE: To determine whether 4000 IU vitamin D(3)/day (vs. 2000 IU/day) during pregnancy is safe and improves maternal/neonatal 25(OH)D in a dose-dependent manner. STUDY DESIGN: 257 pregnant women 12-16 weeks' gestation were enrolled. Randomization to 2000- vs. 4000 IU/day followed one-month run-in at 2000 IU/day. Participants were monitored for hypercalciuria, hypercalcemia and 25(OH)D status. RESULTS: Maternal 25(OH)D (n=161) increased from 22.7(SD 9.7) at baseline to 36.2(SD 15) and 37.9(SD 13.5) in the 2000- and 4000 IU groups, respectively. While maternal 25(OH)D change from baseline did not differ between groups, 25(OH)D monthly increase differed between groups (p<0.01). No supplementation-related adverse events occurred. Mean cord blood 25(OH)D (ng/mL) was 22.1±10.3 in 2000- and 27.0±13.3 in 4000 IU group (p=0.024). After controlling for race and study site, preterm birth and labor were inversely associated with pre-delivery- and mean 25(OH)D, but not baseline 25(OH)D,. CONCLUSIONS: Maternal supplementation with 2000 and 4000 IU vitamin D/day during pregnancy improved maternal/neonatal vitamin D status. Evidence of risk reduction in infection, preterm labor and preterm birth was suggestive, requiring additional studies powered for these endpoints. |
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Authors:
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Carol L Wagner; Rebecca McNeil; Stuart A Hamilton; Joyce Winkler; Carolina Rodriguez Cook; Gloria Warner; Betty Bivens; Deborah J Davis; Pamela G Smith; Martha Murphy; Judy Shary; Bruce W Hollis |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-11-3 |
Journal Detail:
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Title: American journal of obstetrics and gynecology Volume: - ISSN: 1097-6868 ISO Abbreviation: Am. J. Obstet. Gynecol. Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-11-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0370476 Medline TA: Am J Obstet Gynecol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Mosby, Inc. All rights reserved. |
Affiliation:
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Division of Neonatology, Dept. of Pediatrics, Medical University of SC, Charleston, SC. Electronic address: wagnercl@musc.edu. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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