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  • Title: The impact of prenatal vitamin A and zinc supplementation on birth size and neonatal survival - a double-blind, randomized controlled trial in a rural area of Indonesia.
    Author: Prawirohartono EP, Nyström L, Nurdiati DS, Hakimi M, Lind T.
    Journal: Int J Vitam Nutr Res; 2013; 83(1):14-25. PubMed ID: 24220161.
    Abstract:
    BACKGROUND: Prenatal supplementation with micronutrients may increase birth weight and thus improve infant health and survival in settings where infants and children are at risk of micronutrient deficiencies. OBJECTIVE: To assess whether vitamin A and/or zinc supplementation given during pregnancy can improve birth weight, birth length, neonatal morbidity, or infant mortality. METHODS: A double-blind, randomized controlled trial supplementing women (n = 2173) in Central Java, Indonesia throughout pregnancy with vitamin A, zinc, combined vitamin A+zinc, or placebo. RESULTS: Out of 2173 supplemented pregnant women, 1956 neonates could be evaluated. Overall, zinc supplementation improved birth length compared to placebo or combined vitamin A+zinc (48.8 vs. 48.5 cm, p = 0.04); vitamin A supplementation improved birth length compared to placebo or combined vitamin A+zinc (48.7 vs. 48.2 cm, p = 0.04). These effects remained after adjusting for maternal height, pre-pregnancy weight, and parity. There was no effect of supplementation on birth weight, the proportion of low birth weight, neonatal morbidity, or mortality. CONCLUSIONS: Prenatal zinc or vitamin A supplementation demonstrates a small but significant effect on birth length, but supplementation with zinc, vitamin A or a combination of zinc and vitamin A, have no effect on birth weight, neonatal morbidity, or mortality.
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