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cheap Christian Louboutin Why folic acid in early pregnancy Folic acid is a B vitamin is abundant in food, mainly in beans, spinach, rape, tomato, carrot and pear, pineapple, citrus, walnuts, eggs, fish and other foods, is now synthetic folic acid . The body can not produce folic acid Christian Louboutin shoes itself, only from the intake of food or drugs. Folic acid for the human cell growth and division one of the necessary material, the main amino acids involved in nucleic acid synthesis and promote protein synthesis, is also involved in hemoglobin and adrenaline, cheap Christian Louboutin choline, creatine and other important compounds. The past, it is often combined with vitamin B12, prevent pregnancy and infancy megaloblastic anemia. China's maternal and child health centers, according to research proven, there is a danger and a lot of diseases, Christian Louboutin shoes called "fetal neural tube defects," the high death rate of disability. High incidence of the disease, about 8-10 million children, its causes and the lack of folic acid are closely related. Women of childbearing age in China is generally low folate cheap Christian Louboutin levels, the deficiency was higher than the North South, rural than in urban, winter and spring than summer and autumn, while the incidence of the disease and the distribution of folate deficiency rate is just the same. Pregnant women folic acid levels were significantly Christian Louboutin shoes lower than non-pregnant women, for many reasons. Generally low levels of dietary folate, or improper cooking methods, or malabsorption, resulting in intake. Within the fetus combined with continued growth and development, maternal folic acid through the placenta cheap Christian Louboutin to a fetus, but also an increased demand for folic acid to pregnant women. As well as in pregnancy, due to changes in maternal renal function, so folic acid excretion increased, which can cause acid deficiency. If folic acid before pregnancy with poor nutrition, Christian Louboutin shoes especially in long-term use of contraceptives, anticonvulsants, may interfere with folate metabolism, the folate levels were lower. Therefore, WHO recommended, recommended daily intake of 400 micrograms of folic acid, or 0.4 mg.