Hemoglobin curves during pregnancy before and after fortification of flours with iron

Hemoglobin curves during pregnancy before and after fortification of flours with iron

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Objective: To assess the level of hemoglobin-Hb during pregnancy before and after fortification of flours with iron.Method: A cross-sectional study with data from 12,119 pregnant women attended at a public prenatal from five macro regions of Brazil.The nicabate patches sample was divided into two groups: Before-fortification (birth before June/2004) and After-fortification (last menstruation after June/2005).Hb curves were compared with national and international references.Polynomial regression models were built, with a significance level of 5%.

Results: Although the higher levels of Hb in all gestational months after-fortification, the polynomial regression did not show the fortification effect (p=0.3).Curves in the two groups were above the references in the first trimester, with following decrease and stabilization at the end of pregnancy.Conclusion: Although the fortification effect was not confirmed, the study presents variation powell and mahoney bloody mary mix of Hb levels during pregnancy, which is important for assistencial practice and evaluation of public policies.