what three vitamins and minerals undergo the greatest percentage increase during pregnancy?1.vitamind,iron,folicacid 2.iron,folicacid,calcium 3.iron,folicacid,vitaminb6 4.vitamind,iron,calcium 5.iodide,iron,niacin
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To determine the three vitamins and minerals that undergo the greatest percentage increase during pregnancy, we need to understand the nutritional needs of a pregnant woman and compare them to the recommended intake for these nutrients.
During pregnancy, certain vitamins and minerals are crucial for both the mother's health and the development of the fetus. The three nutrients that generally have an increased demand during pregnancy are:
1. Iron: Iron is essential for the production of red blood cells, which transport oxygen to the mother and baby. The demand for iron increases during pregnancy because blood volume expands to supply oxygen to the growing fetus.
2. Folic Acid: Folic acid, also known as folate, is necessary for the formation of red blood cells and neural tube development in the fetus. Its demand increases during pregnancy to support rapid cell growth and reduce the risk of neural tube defects.
3. Calcium: Calcium is vital for the development of the baby's bones, teeth, and muscles. Pregnant women need more calcium to maintain their own bone health and to provide enough for the baby's developing skeletal system.
Based on these considerations, the answer would be option 2: iron, folic acid, and calcium. Iron is needed to support blood production, folic acid is essential for neural tube development and red blood cells, and calcium is necessary for the baby's bone development.
Please note that while other vitamins and minerals are also important during pregnancy, the three listed in option 2 generally undergo the greatest percentage increase. It is always recommended to consult with a healthcare provider for personalized nutritional guidance.