first_img Read Full Story Multiple micronutrient (MMN) supplements given to pregnant women reduced deaths among female newborns and provided better birth outcomes than iron and folic acid supplements alone, especially among anemic and undernourished women, according to a new study from Harvard T.H. Chan School of Public Health researchers and colleagues. They found no evidence to support concerns that MMN supplements pose health risks for pregnant women.The findings suggest that antenatal care guidelines released last year by the World Health Organization (WHO), which expressed reservations about the use of MMN supplements in low- and middle-income countries, should be reconsidered, said first author Emily Smith, who did the research as a postdoctoral research fellow in the Department of Global Health and Population and is now a program officer at the Bill & Melinda Gates Foundation. “This paper fills an evidence gap that may have prevented national and global policy adoption and scale-up of this intervention. We hope this research leads to re-examination of global and national guidelines for antenatal care.”It’s common for women in low- and middle-income countries to be anemic—a condition caused by low red blood cell count that results in fatigue and other symptoms, and is typically caused by iron or vitamin B-12 deficiency—and they may also be low in vitamins A, D, E, zinc, and calcium. This is mainly due to diets that are poor in fruits, vegetables, and protein. These deficiencies are often worsened by pregnancy, and they can lead to babies born with low birthweight and other health problems.The new study—an individual patient data meta-analysis—looked at data from 112,953 pregnant women who were participants in 17 randomized controlled trials done in 14 low- and middle-income countries. The studies compared MMN supplements containing iron-folic acid to supplements with iron-folic acid alone.The findings showed that MMN supplements provided significantly greater reductions in the deaths of newborn girls than iron-folic acid supplementation alone. Boys did not show similar improvement, for reasons that may be due to differences in causes and timing of deaths by infant sex, according to the researchers. Multiple micronutrient supplementation also reduced the risk to babies of both sexes of being born preterm or with low birth weight. The researchers did not see any evidence that MMN supplements increased the risk of stillbirth and infant mortality, concerns expressed in the WHO guidelines and by other researchers.last_img

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