Why calcium supplements for pregnant women is a constant topic? Why is calcium so important to pregnant women? Because the calcium needed for fetal bone formation is completely derived from the mother, the amount of calcium consumed by pregnant women is much greater than that of ordinary people. It is not enough to rely on dietary calcium. To produce a healthy and beautiful baby, pregnant women should add more calcium. If calcium intake during pregnancy is insufficient, calcium salts in the maternal bone can be mobilized to maintain the normal blood calcium concentration. If the mother's calcium deficiency is severe, it can cause muscle spasm, cause leg cramps and tetany, and can also lead to osteoporosis and osteomalacia in women. Calcium, pregnant women can eat? sesame Sesame is crispy and delicious, with its own hard shell, and the digestibility of nutrients is also low, but after grinding into sesame paste, the digestibility is greatly improved. Sesame sauce delicious, eat 1 tbsp sesame paste, equivalent to about 25 grams of the amount, which contains about 200 mg of calcium, it can not be overlooked. In addition to the large amount of calcium, sesame paste also provides very rich minerals such as potassium, magnesium, iron, and zinc, as well as a large amount of vitamin E, vitamin B1, nicotinic acid, and protein and monounsaturated fatty acids. Dairy products Half a catty milk contains 300 milligrams of calcium, and a variety of amino acids, lactic acid, minerals and vitamins can also promote calcium digestion and absorption. Unlike milk, milk is not an acidic food, but is a weak alkaline food. Therefore, milk does not make body fluid acidic, it will not promote the loss of calcium. Other dairy products such as yogurt, cheese, and milk slices are also good choices. Kelp and shrimp Kelp and shrimp are also high-calcium sea products, as long as 25 grams per day, you can add calcium 300 mg, and can reduce blood fat, prevent arteriosclerosis. In particular, shrimp, 25 grams contains more than 500 grams of calcium, shrimp seaweed egg soup soup calcium effect is stronger than the big bone soup. However, small amounts of nitrosamine carcinogens are contained in the shrimp skin, causing more adverse health effects. Soy products In addition to high protein foods, soy is actually high in calcium. 500 grams of soybean milk contains 120 milligrams of calcium, 150 grams of tofu contains 500 milligrams of calcium. However, it needs to be reminded that the reference to soybean milk needs to be boiled for 7 times before it is edible. The tofu cannot be cooked with spinach. Although it is reasonable to say that both calcium and iron can be supplemented, spinach contains oxalic acid, which is easily combined with calcium to produce calcium oxalate conjugates that are not absorbed by the body. Pregnant women can not eat calcium? Oxalic acid - spinach, leeks, bamboo shoots and other vegetables Many pregnant women pay attention to eat more fruits and vegetables. However, some astringent vegetables contain oxalic acid, which binds calcium in the gut to form insoluble precipitates that affect calcium absorption. Therefore, it is recommended that pregnant mommy can eat 500-750 grams of vegetables and fruits every day. You can also use these vegetables to boil water first, remove the astringency, and cook. Phytic acid - rice, flour The phytic acid contained in rice and white flour is combined with calcium in the digestive tract to produce phytic calcium and magnesium salts that cannot be absorbed by the human body, which greatly reduces the body's absorption of calcium. Therefore, pregnant women can first soak the rice with appropriate amount of warm water for a while, so that the phytase in the rice will decompose most of the phytic acid; and the phytase secreted by the fermented pasta can also hydrolyze the phytic acid in the flour, avoiding Affects the body's absorption of calcium. Pregnant women can not drink calcium phosphate coffee drink, carbonated drinks, cola, coffee, hamburgers, etc. Under normal circumstances, the ratio of calcium to phosphorus in the human body is 2:1. However, if pregnant women excessively ingest carbonated drinks, cola, coffee, hamburgers, pizzas, animal livers, French fries and other large amounts of phosphorus-containing foods, The ratio of calcium to phosphorus is as high as 1:10 to 20, so too much phosphorus will “catch†calcium from the body. Sodium-salt Excessive intake of salt in pregnant women can affect the body's absorption of calcium, but also may lead to more calcium in the human bone loss. This is because salt contains sodium, and the kidneys excrete excess sodium every day. Each excretion of 1000 mg of sodium will consume 26 mg of calcium at the same time. Therefore, the diet of pregnant women is mainly light. Fatty acids-fat foods Fatty-decomposed fatty acids (especially saturated fatty acids) can form insoluble substances with calcium in the gastrointestinal tract and reduce the rate of calcium absorption. Therefore, pregnant women should rationally arrange a good meal, not to eat too much oily things. 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