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Vitamin A status involves eye health via two separate functions. Retinal is an essential factor in rod cells and cone cells in the retina responding to light exposure by sending nerve signals to the brain. An early sign of vitamin A deficiency is night blindness. [6] Vitamin A in the form of retinoic acid is essential to normal epithelial cell ...
[36] [34] During pregnancy the placenta concentrates B 12, so that newborn infants have a higher serum concentration than their mothers. [33] What the mother-to-be consumes during the pregnancy is more important than her liver tissue stores, as it is recently absorbed vitamin content that more effectively reaches the placenta.
World Health Organization "Recommendations for preformed vitamin A supplements for mothers during pregnancy" states that "health benefits are expected for the mother and her developing fetus with little risk of detriment to either, from a daily supplement not exceeding 10,000 IU vitamin A (3000mcg RE) at any time during pregnancy." Preformed ...
The most common form of prenatal vitamin is the compressed tablet which is available through all channels and at various quality levels. Category leaders utilize this as the dosage form of choice. [ citation needed ] Other organizations within the category offer products in a variety of dosage forms such as liquids, prenatal vitamin soft chews ...
Prenatal nutrition addresses nutrient recommendations before and during pregnancy. Nutrition and weight management before and during pregnancy has a profound effect on the development of infants. This is a rather critical time for healthy development since infants rely heavily on maternal stores and nutrient for optimal growth and health ...
Vitamin A supplementation of children under five who are at risk of VAD has been found to reduce allācause mortality by 12 to 24%. [29] Side effects of vitamin A supplements are rare. Vitamin A toxicity is a rare concern associated with high levels of vitamin A over prolonged periods of time.
Adequate nutrition is needed for a healthy fetus. Mothers who gain less than 20 pounds during pregnancy are at increased risk for having a preterm or low birth weight infant. [51] Iron and iodine are especially important during prenatal development. Mothers who are deficient in iron are at risk for having a preterm or low birth weight infant. [52]
Given the rapid growth during infancy, this phase demands the highest relative energy and nutrient intake compared to other stages of development. Proper nutrition during pregnancy plays a vital role in the development of the brain, requiring essential nutrients such as specific lipids, protein, folate, zinc, iodine, iron, and copper. Ensuring ...