European journal of clinical nutrition
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Iodine is required for the production of thyroid hormone. Thyroid hormone affects many metabolic processes in the body, including maturation of the central nervous system. ⋯ Therefore, achieving adequate iodine nutrition during pregnancy is an important public health objective. Although there have been tremendous gains over the last several decades in our understanding of the effects of iodine deficiency in pregnancy and how to combat them, a number of questions remain about how best to monitor the iodine status of pregnant populations, the effects of mild to moderate iodine deficiency on maternal and child outcomes, the safe upper limit of daily iodine intake in pregnant women and the risks and benefits of iodine supplementation for mildly iodine-deficient pregnant women.
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Recent recognition of the early onset and high prevalence of wasting (30%) and stunting (20%) among infants 0-5 months in India draws attention to the need to understand the causes and develop prevention strategies. Such growth failure has dire consequences in the short (increased mortality) and long-term (loss of human capital and increased risk of chronic diseases). Food interventions before 6 months will increase morbidity/mortality through contamination in settings of poor sanitation and hygiene. ⋯ Maternal supplementation during lactation should be considered as a means to improve maternal and child outcomes, although the evidence needs strengthening. Support and counseling are also required to improve maternal diets and promote exclusive breastfeeding. Programs focused on improving maternal nutrition across the continuum of preconception, pregnancy and lactation are likely to have the greatest impact as mothers are central gatekeepers to the health and future of their children.