Vitamins and minerals of special importance to pregnant women and their developing fetuses are

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The question asks: 'Vitamins and minerals of special importance to pregnant women and their developing fetuses are' and provides an answer that lists 'Iron, calcium, and folic acid' as the content. Since the options are not provided, I cannot evaluate other choices, but I can explain why the listed nutrients are singled out in many pregnancy nutrition guidelines.

First, consider iron. Iron is crucial during pregnancy because the demand for red blood cell production increases to support both the mother and the growing fetus. Adequate iron helps prevent maternal iron-deficiency anemia, which is associated with fatigue, increased risk of infection, and potential complications during delivery and for the baby.

Next, calcium takes on a key role for the developing fetal skeleton. While most calcium is drawn from the mother's bones, adequate calcium intake supports fetal bone mineralization and helps reduce the risk of maternal bone loss during pregnancy and lactation.

Then, folic acid (folate) is emphasized for its role in neural tube development in the early weeks of pregnancy. Sufficient folic acid intake is widely associated with a reduction in neural tube defects in the fetus, such as spina bifida and anencephaly. Many health guidelines recommend starting folic acid supplementation prior to conception and continuing through early pregnancy.

If other nutrients were presented as options, some might be less universally emphasized as 'special importance' for all pregnancies. For example, while vitamins like vitamin C, vitamin D, or iodine are important, their categorization as being of 'special importance' can vary depending on context, dietary intake, and guidance. Similarly, while protein and overall caloric intake are critical, they are macronutrients rather than the specific vitamins/minerals typically highlighted in standard prenatal recommendations.

In summary, the combination of iron, calcium, and folic acid aligns with common prenatal nutrition priorities: preventing iron-deficiency anemia, supporting fetal bone development, and reducing neural tube defect risk through adequate folate intake. Any alternative options would need to be evaluated against these key roles to determine their relative importance in prenatal care.

Vitamins and minerals of special importance to pregnant women and their developing fetuses are

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Vitamins and minerals of special importance to pregnant women and their developing fetuses are

查看解析

登录即可查看完整答案

类似问题

Controversy 7 Multiple-Choice Items A woman who has been following a vegan diet and now has become pregnant most likely needs _____ supplements.​

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In a consumer society, many adults channel creativity into buying things

Economic stress and unpredictable times have resulted in a booming industry for self-help products

People born without creativity never can develop it

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更多留学生实用工具

希望你的学习变得更简单

Controversy 7 Multiple-Choice Items A woman who has been following a vegan diet and now has become pregnant most likely needs _____ supplements.