564
Participants
Start Date
January 31, 2007
Primary Completion Date
July 31, 2009
Study Completion Date
July 31, 2009
cholecalciferol (vitamin D3)
randomized to one of two treatments: 2000 or 4000 IU vitamin D3/day
cholecalciferol
randomized to one of 2 treatment doses: 2000 vs. 4000 IU/day vitamin D3
cholecalciferol
cholecalciferol at 2000 or 4000 IU/day to be taken througout pregnancy. This follows the initial run-in dosing of 2000 IU/day starting at 12-weeks' gestation.
Eau Claire Cooperative Health Centers, Inc., Columbia
Thrasher Research Fund
OTHER
Medical University of South Carolina
OTHER