Luz María De-Regil

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BACKGROUND Low haemoglobin concentrations and anaemia are important risk factors for the health and development of women and children. We estimated trends in the distributions of haemoglobin concentration and in the prevalence of anaemia and severe anaemia in young children and pregnant and non-pregnant women between 1995 and 2011. METHODS We obtained(More)
BACKGROUND Iron and folic acid supplementation has been the preferred intervention to improve iron stores and prevent anaemia among pregnant women, and it is thought to improve other maternal and birth outcomes. OBJECTIVES To assess the effects of daily oral iron supplements for pregnant women, either alone or in conjunction with folic acid, or with other(More)
BACKGROUND Vitamin D deficiency or insufficiency is thought to be common among pregnant women. Vitamin D supplementation during pregnancy has been suggested as an intervention to protect against adverse pregnancy outcomes. OBJECTIVES To examine whether oral supplements with vitamin D alone or in combination with calcium or other vitamins and minerals(More)
BACKGROUND Vitamin A deficiency is a risk factor for blindness and for mortality from measles and diarrhoea in children aged 6-59 months. We aimed to estimate trends in the prevalence of vitamin A deficiency between 1991 and 2013 and its mortality burden in low-income and middle-income countries. METHODS We collated 134 population-representative data(More)
BACKGROUND Approximately 600 million children of preschool and school age are anaemic worldwide. It is estimated that half of the cases are due to iron deficiency. Consequences of iron deficiency anaemia during childhood include growth retardation, reduced school achievement, impaired motor and cognitive development, and increased morbidity and mortality.(More)
BACKGROUND Iodine is an essential nutrient required for the biosynthesis of thyroid hormones, which are responsible for regulating growth, development and metabolism. Iodine requirements increase substantially during pregnancy and breastfeeding. If requirements are not met during these periods, the production of thyroid hormones may decrease and be(More)
Maternal energy requirements increase during pregnancy but the magnitude of this increment is unknown among adolescents. We determined the effects of maternal age and weight status on adjustments in gestational weight gain, resting energy expenditure (REE), and growth among adolescents. Weight, and growth rates of pregnant adolescents (PA) < or =17 y during(More)
BACKGROUND Daily iron supplementation has been traditionally a standard practice for preventing and treating anaemia but its long term use has been limited as it has been associated with adverse side effects such as nausea, constipation and teeth staining. Intermittent iron supplementation has been suggested as an effective and safer alternative to daily(More)
BACKGROUND It has been reported that neural tube defects (NTD) can be prevented with periconceptional folic acid supplementation. The effects of different doses, forms and schemes of folate supplementation for the prevention of other birth defects and maternal and infant outcomes are unclear. OBJECTIVES This review aims to examine whether periconceptional(More)