How can we ensure that pregnant women need to supplement vitamin A during pregnancy? You can eat more fresh fruits and vegetables rich in carotene, because carotene can be converted into vitamin A in the human body, and you can also get the folic acid necessary for pregnant women. It helps prevent congenital anencephaly, killing two birds with one stone. Why does eating animal liver cause fetal teratogenesis? People find this strange. In terms of nutrition, the nutritional value of animal liver is indeed very high. It contains 20% protein, a variety of animal vitamins, calcium, phosphorus, iron, zinc, etc., which are all essential nutrients for the human body. Especially food pigs