The results of this study will enable WHO to improve the effectiveness of the current WHO recommendations concerning post-partum vitamin A supplementation. If our hypothesis is true, postponing the timing of the post-partum vitamin A supplement from directly after delivery to 6 week post-partum, will significantly increased the availability of the supplement for the mother. This will increase the vitamin A status of both mother and infant. Moreover, there are several significant implications for global health policies, with important consequences for infant survival worldwide by reducing morbidity and mortality from infectious diseases during the first 6 months of life. Results of the study will also have important consequences for other micronutrient health programs, such as vitamin A supplementation for children above 6 months of age and iron supplementation in areas with endemic malaria, as these are also subject to the effects of the acute phase response