360
Participants
Start Date
February 28, 2015
Primary Completion Date
December 31, 2016
Study Completion Date
December 31, 2016
600 IU Vitamin D3 in prenatal vitamin
Women will receive 600 IU 25(OH)D in prenatal vitamin.
2000 IU Vitamin D3 in prenatal vitamin
Women will receive 2000 IU 25(OH)D in prenatal vitamin.
4000 IU Vitamin D3 in prenatal vitamin
Women will receive 4000 IU 25(OH)D in prenatal vitamin.
Zuun Kharaa Hospital, Selenge
National Center for Maternal and Child Health Research, Mongolia
UNKNOWN
Zuun Kharaa Hospital
OTHER
Brigham and Women's Hospital
OTHER