Do you have time to eat folic acid again when you are pregnant? How long should you eat folic acid before pregnancy
4hw.com.cn: many mothers know that supplementing folic acid before pregnancy can greatly reduce the rate of fetal malformation. However, many expectant mothers who are accidentally pregnant worry that not eating folic acid will worry about the health of the fetus. Is it still useful to supplement folic acid after pregnancy? What are the effects of folic acid? Let's get to know each other!
The most important purpose of folic acid supplementation before and during pregnancy is to prevent fetal neural tube malformations. A large number of studies show that pregnant women lack folic acid, especially in the first three months of pregnancy, which is easy to cause fetal neural tube malformations. The so-called fetal neural tube malformations include anencephaly, fetal spina bifida and so on. In addition to neural tube malformations, pregnant women who lack folic acid are also prone to stillbirth, abortion, birth of low birth weight infants and other malformations.
Folic acid belongs to B vitamins, which cannot be synthesized in the human body and can only be taken from food. Although folic acid widely exists in almost all foods, most of the folic acid in foods is destroyed due to China's traditional cooking method of high-temperature frying and boiling, and the absorption rate of folic acid in human intestines is only 25% - 50%. Therefore, it is suggested that women before and during pregnancy should supplement folic acid.
At present, the recommended intake of folic acid for pregnant women at different stages is dfe600 & mu; G / D, dfe400 & Mu before pregnancy; G / D, lactating female DFE 500 & mu; g/d; The maximum allowable daily intake is dfe1000μ g/d 。
When should folic acid supplement start?
Because the folate deficiency in the body will be improved after 4 weeks of folate supplementation, and the plasma concentration of folate will reach an effective level and stable state after 12-14 weeks of continuous supplementation. Therefore, it is generally recommended to supplement folic acid from the first three months of pregnancy, so as to ensure that the maternal folic acid is at an effective level during pregnancy.
How long does folic acid supplementation take?
Because various neural tube malformations caused by folate deficiency occur in the first three months of pregnancy, the fetus in the first three months of pregnancy is the most sensitive and prone to malformations, and the malformations are more serious, it is recommended to supplement folate in the first three months of pregnancy. In addition, the recommended folic acid intake for pregnant women is 600 mu; G / d. if the dietary intake of pregnant women cannot be met, additional supplementation is recommended.
In addition to folic acid, there are many complex vitamins specially equipped for pregnant women and pregnant women. It also contains folic acid. One pill a day can supplement all kinds of vitamins, which is simple and convenient!
Prospective fathers also need to supplement folic acid. When men lack folic acid, semen concentration will decrease, sperm motility will weaken, and the probability of fetal chromosome abnormalities will increase. Folic acid supplementation helps to improve sperm quality and make your 'little tadpole' swim more active.