771
Participants
Start Date
September 30, 2004
Primary Completion Date
August 31, 2007
Study Completion Date
August 31, 2007
Vitamin A alone
30 mg beta-carotene plus 5000 IU preformed vitamin A) taken orally once per during pregnancy and lactation
Multivitamins excluding vitamin A
30 mg thiamine, 20 mg riboflavin, 20 mg B-6, 100 mg niacin, 50 ug vitamin B-12, 500 mg vitamin C, 30 mg vitamin E, 0.8 mg folic acid taken orally once per day during pregnancy and lactation
multivitamins including vitamin A
20 mg thiamine, 20 mg riboflavin, 25 mg vitamin B6, 100 mg niacin, 50 ug vitamin B12, 500 mg vitamin C, 30 mg vitamin E, and 0.8 mg folic acid taken once per day orally during pregnancy and lactation
Placebo
Placebo pill taken orally once per day during pregnancy and lactation
Harvard School of Public Health, Boston
Muhimbili University of Health and Allied Sciences
OTHER
Harvard School of Public Health (HSPH)
OTHER