countries. Women of childbearing age and children are documented as the most affected
groups. Objective: The objective was to determine the length of time mothers are protected
postpartum against vitamin A depletion after receiving either 400 000 IU vitamin A in 2
divided doses or 200 000 IU as a single dose plus a placebo 24 h apart. Design: Mothers
(n= 168) were recruited by trained fieldworkers 7–10 d after delivery. Modified-relative-dose …