After four and a half months of pregnancy, due to the baby’s bone development needs, fetal development of calcium demand increases, pregnant mothers will lose a lot of calcium in the body, so pregnant mothers need to supplement calcium in a timely manner. Fetal calcium deficiency get congenital rickets, the occurrence of newborn congenital laryngeal cartilage softening disease, square skull, chicken chest or funnel chest, etc. The pregnant mother in pregnancy will also be manifested as calf cramps, loose teeth, joints, pelvic pain, etc., and even cause hypertensive disorders during pregnancy. For calcium deficiency of pregnant mothers, you can go to the hospital line of drug treatment, however, there are many people believe that “drugs are three times poisonous”, want to supplement calcium by way of dietary supplements, that what food helps to supplement calcium? 1, dairy products. Milk, cheese, yogurt and other dairy products are rich in calcium, in half a catty of milk contains nearly 300mg of calcium, of course, in addition to calcium in milk, there are also amino acids, vitamins, etc., on the absorption of calcium has a role in promoting; 2, soy products. Tofu, soy milk, soybean skin and other kinds of common soy products on the market, are rich in calcium, and soy is also a high-protein food, but due to the absorption of calcium in soy products is not as good as milk, so most of the soy products as a supplement or alternative to dairy products; 3, seafood. In so the seafood are almost all rich in calcium, of which kelp and shrimp is one of the highest content of food, kelp and meat stewed at the same time, not only flavorful, more conducive to the absorption of calcium, per 25g of shrimp containing calcium about 500mg more, but because of shrimp contains too much salt, so it is still necessary to pay attention to a balanced diet. In addition to dietary supplements rich in calcium food, pregnant mothers should also be appropriate in the sun during the day, the sun is conducive to the absorption of calcium, so it is twice the result with half the effort.