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Open Access Relative efficacy of micronutrient powders versus iron–folic acid tablets in controlling anemia in women in the second trimester of pregnancy

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Abstract:

Background. Iron deficiency is a major cause of anemia and the most prevalent nutrient deficiency among pregnant women in developing countries. The use of iron and folic acid supplements to treat and prevent iron-deficiency anemia has limited effectiveness, mainly due to poor adherence. Home fortification with a micronutrient powder for pregnant women may be an effective and acceptable alternative to traditional drug models.

Objective. To d etermine whether home fortification with micronutrient powders is at least as efficacious as iron and folic acid tablets for improving hemoglobin concentration in pregnant women.

Methods. A cluster-randomized noninferiority trial was conducted in the rural subdistrict of Kaliganj in central Bangladesh. Pregnant women (gestational age 14–22 weeks, n = 478), were recruited from 42 community-based Antenatal Care Centres. Each centre was randomly allocated to receive either a micronutrient powder (containing iron, folic acid, vitamin C, and zinc) or iron and folic acid tablets. Changes in hemoglobin from baseline were compared across groups using a linear mixed-effects regression model.

Results. At enrolment, the overall prevalence of anemia was 45% (n = 213/478). After the intervention period, the mean hemoglobin concentrations among women receiving the micronutrient powder were not inferior to those among women receiving tablets (109.5 ± 12.9 vs 112.0 ± 11.2 g/L; 95% CI, –0.757 to 5.716). Adherence to the micronutrient powder was lower than adherence to tablets (57.5 ± 22.5% vs 76.0 ± 13.7%; 95% CI, –22.39 to –12.94); however, in both groups, increased adherence was positively correlated with hemoglobin concentration.

Conclusions. The micronutrient powder was at least as efficacious as the iron and folic acid tablets in controlling moderate to severe anemia during pregnancy.

Keywords: ANEMIA; EFFICACY; HOME FORTIFICATION; IRON AND FOLIC ACID; PREGNANCY

Document Type: Research Article

Publication date: June 1, 2012

More about this publication?
  • Established in 1978, the Food and Nutrition Bulletin (FNB) is a peer-reviewed journal published quarterly by the Nevin Scrimshaw International Nutrition Foundation.

    The focus of the journal is to highlight original scientific articles on nutrition research, policy analyses, and state-of-the-art summaries relating to multidisciplinary efforts to alleviate the problems of hunger and malnutrition in the developing world.

    Food and Nutrition Bulletin's 2012 Impact Factor: 2.106

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