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  • Title: Prevalence of iron, folate, and vitamin B12 deficiencies in 20 to 49 years old women: Ensanut 2012.
    Author: Shamah-Levy T, Villalpando S, Mejía-Rodríguez F, Cuevas-Nasu L, Gaona-Pineda EB, Rangel-Baltazar E, Zambrano-Mujica N.
    Journal: Salud Publica Mex; 2015; 57(5):385-93. PubMed ID: 26544999.
    Abstract:
    OBJECTIVE: To describe the prevalence of iron, folate, and B12 deficiencies in Mexican women of reproductive age from the National Health and Nutrition Survey (Ensanut) 2012. MATERIALS AND METHODS: Data came from a national probabilistic survey, representative from rural and urban areas, and different age groups. Blood samples were obtained from 4 263, 20 to 49 years old women for serum ferritin, vitamin B12 and serum folate concentrations. The prevalence of deficiencies, was assessed using adjusted logistic regression models. RESULTS: The deficiency of folate was 1.9% (95%CI 1.3-2.8), B12 deficiency was 8.5% (95%CI 6.7-10.1) and iron deficiency was 29.4% (95%CI 26.5-32.2). No differences were found when compared with 2006, 24.8% (95%CI 22.3-27.2). CONCLUSIONS: The vitamin B12 deficiency is still a problem for women of reproductive age and their offspring in Mexico, while folate deficiency disappeared as a problem. Iron deficiency needs prevention and fortification strategies.
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