Copper: copper is an essential element of hematopoiesis and promotes the absorption of iron through the intestinal mucosa. The concentration
Copper: copper is an essential element of hematopoiesis and promotes the absorption of iron through the intestinal mucosa. The concentration of copper in pregnant women gradually increased during pregnancy, which was related to the increase of estrogen levels in the fetus. Under normal circumstances, pregnant women do not need additional copper agent, copper excess can produce teratogenic effects.
Calcium: a lot of people at the lower levels of calcium or calcium storage state. Especially in the indoor work, the lack of exposure to sunlight is easier for women to have this situation. High calcium foods include milk products, dark green vegetables, egg yolk, seaweed, sesame and so on, to have enough milk diets for pregnant women, generally do not need additional calcium. For don't eat animal food and milk products for pregnant women, should be based on the need to add calcium, calcium at the same time, must pay attention to vitamin D, in order to ensure the full absorption and utilization of calcium. In order to prevent excessive fetal head ossification, is not conducive to natural childbirth, the majority of doctors believe that after 36 weeks of pregnancy is not appropriate to add calcium, and this time the fetus has been basically mature, do not increase the burden of metabolism.
Iodine: iodine plays an important role in the synthesis and metabolism of thyroid in iodine deficiency can cause goiter, iodine deficiency is a major cause of human mental disorders, such as cretinism. The main performance is cretinism, mental retardation, short stature, so it will be called the intelligence elements of iodine. The main source of iodine in food is absorbed by the human body, the iodine content of seafood, such as kelp, seaweed, fish, shrimps, etc.. Regular consumption of seafood can prevent iodine deficiency. But the drugs containing iodine can lead to fetal iodine accumulation in vivo, inhibit the secretion of thyroid hormone, even cause congenital thyroid dysplasia, and cause hypothyroidism. Therefore, pregnant women taking drugs containing iodine and taboo, should be through the food and supplement of iodine salt.
Selenium: selenium is a component of glutathione oxidase, selenium can protect the cell membrane lipid oxidation. Selenium deficiency can occur in bone and joint disease, Keshan disease, therefore, if women should be in selenium deficiency, pregnancy after cure.
From the "280 days of fetal education reading every day", Hebei people's publishing house, 2007, edited by Wang Xinliang