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Nutrición Hospitalaria

On-line version ISSN 1699-5198Print version ISSN 0212-1611


RIBEIRO NEVES, Paulo Augusto; RAMALHO, Andrea; CARVALHO PADILHA, Patricia de  and  SAUNDERS, Claudia. The role of prenatal nutrition assistance on the prevalence of night blindness in pregnant adults. Nutr. Hosp. [online]. 2014, vol.29, n.5, pp.1132-1140. ISSN 1699-5198.

Introduction: In developing countries, night blindness is a very common public health problem among pregnant women. Objective: Evaluate the effect of the changes occurred on prenatal care concerning prenatal nutritional care on the occurrence of night blindness (XN) in adult pregnant women in public maternity hospital in Rio de Janeiro between 1999-2001 and between 2007-2008. Methods: Two cross-sectional studies were conducted, been the first one conducted between 1999-2001 and the second one between 2007-2008. Were studied 402 puerperal women, 225 between 1999-2001 (GI) and 177 between 2007-2008 (GII). The gestational XN was investigated during the immediate puerperium (GI) and during the prenatal/puerperium (GII), diagnosed by the World Health Organization. The study collected sociodemographic, clinical, obstetric, anthropometric and prenatal care information. Results: It verified significant reduce of prevalence of gestational XN (GI = 18.7% e GII = 0.6%, p < 0.001). The occurrence of gestational XN was associated to sanitary conditions, education level, more than six prenatal consultations, miscarriage at last pregnancy, higher average number of deliveries, average number of prenatal care consultations and prenatal nutritional (p < 0.05). There was no association between gestational XN and marital status, skin color, pre-gestational nutritional status, adequacy of gain of total gestational weight, gestational anaemia and average number of pregnancies (p > 0.05). Conclusion: The inclusion of nutritional care in routine prenatal care may have contributed to the reduction of gestational XN. Studies to assess the nutritional intervention in the prevention and treatment of gestational XN at regions at greatest risk are suggested.

Keywords : Night blindness; Vitamin A deficiency; Prenatal nutrition; Pregnancy.

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