Effect of folic acid on fetus According to research, take 400 tablets every day before pregnancy? G folic acid can reduce the incidence of neonatal neural tube defects (NTDs) by 70%. Therefore, women who are ready to get pregnant start taking 400 yuan every day before pregnancy. Folic acid in g American researchers have found that if women start to supplement folic acid at the beginning of pregnancy, they can reduce the chance of cleft lip in the future.
200 1, the heavyweight institution of empirical medicine also published a systematic review on this issue, and concluded that there is strong evidence that folic acid can prevent the congenital abnormality of fetal neural tube defects before and after pregnancy, and relevant information should be widely publicized through health education channels to inform pregnant women that neural tube defects will have a high recurrence rate. In addition to preventing neural tube defects, folic acid should be continuously supplemented.
Which foods contain folic acid? Foliage vegetables and fruits are rich in folic acid, such as:
Leafy vegetables: Chinese cabbage, cabbage, lettuce, soybean, cauliflower, corn, peas, spinach, etc.
Fruits: cantaloupe, banana, raspberry, grapefruit, grass, orange, tomato, etc.
Liver and kidney of animals, such as pig liver, chicken, beef and mutton, are also rich in folic acid.
The average daily diet can only get about 200 a day? The amount of g (microgram) can not obtain enough folic acid content to prevent neural tube defects, so it is necessary to supplement synthetic folic acid tablets.
A few countries, such as the United States, Canada, Australia, Mexico and Chile, have implemented the policy of compulsory addition of folic acid, adding folic acid to flour, grains and other ingredients. 1998 The FDA of the US Food and Drug Administration stipulates that 100mg (mg) of grain flour should be added with 140. Folic acid in G. Although the added folic acid content is not enough to prevent all neural tube defects, the prevalence of anencephaly and spina bifida decreased by 16% and 3 1% respectively after this intensive policy.
Although the consequences of neural tube malformation are serious, it is very important to take folic acid every day in the first three months of pregnancy. Deputy stationmaster Tao suggested that newly-married women should supplement 0.4 mg folic acid every day from marriage to three months after pregnancy to prevent neural tube malformation. In addition to preventive drug supplementation, pregnant women should also eat foods rich in folic acid, such as green leafy vegetables and fruits. In addition, the occurrence of neural tube malformation is not only related to folic acid deficiency, but also related to heat-induced conditions such as early cold and fever, sleeping with electric heating plate and sauna in pregnant women. It is related to iodine deficiency.
Pregnant women can check the alpha-fetoprotein content in maternal blood and amniotic fluid in the first and second trimester of pregnancy, and B-ultrasound in the second trimester can diagnose most neural tube malformations.
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