Prevalence of vitamin-A deficiency in pregnant women

Prevalence of vitamin-A deficiency in pregnant women, measured as the percentage of women with serum retinol levels
deficiency) during the period 1995-2005. Note that all countries with a 2005 gross domestic product (GDP) ≥US$ 15 000 were assumed to be free from vitamin-A
deficiency of a public health significance and were therefore excluded.