Document Detail


A Randomized Trial of Vitamin D Supplementation in Two Community Health Center Networks in South Carolina.
MedLine Citation:
PMID:  23131462     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
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.
Authors:
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:
Type:  JOURNAL ARTICLE     Date:  2012-11-3
Journal Detail:
Title:  American journal of obstetrics and gynecology     Volume:  -     ISSN:  1097-6868     ISO Abbreviation:  Am. J. Obstet. Gynecol.     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370476     Medline TA:  Am J Obstet Gynecol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Mosby, Inc. All rights reserved.
Affiliation:
Division of Neonatology, Dept. of Pediatrics, Medical University of SC, Charleston, SC. Electronic address: wagnercl@musc.edu.
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