There are many taboos for mothers-to-be after pregnancy since ancient times, such as not eating rabbit meat, not eating ginseng, etc. Some of them are blackmail, which will cause misunderstanding and psychological burden to mothers-to-be, but some of them have some scientific basis, otherwise they may cause irreversible harm to the baby. The first trimester of pregnancy is a critical period for the development of the fetal neural tube. Therefore, in order to avoid fetal abnormalities, the mother-to-be should try to avoid various adverse factors, such as tobacco and alcohol environments, harmful chemicals, newly renovated houses, airless environments, etc., and to improve her immunity from viral infections, not to mention taking drugs privately. In order to prevent fetal malformations, pregnant women need to take folic acid supplements from early pregnancy (preferably from the beginning of the planned pregnancy). Foods rich in folic acid include red amaranth, spinach, lettuce, asparagus, beans, yeast, animal liver and apples and oranges. At the same time, regular prenatal checkups and good cooperation with doctors are also positive means to avoid the birth of abnormal newborns. 1, avoid the abuse of ginseng After pregnancy, menstruation stops, the blood of the internal organs and meridians is injected into the two veins to nourish the fetus, the pregnant woman is in the Yin blood deficiency, Yang Qi is relatively strong condition. Ginseng is a great tonic, which will make the pregnant woman’s qi and yin depleted, and the surplus of qi will “push” the fetus, so that the fetus will be damaged and at risk, which is not conducive to safe fetus. 2, avoid hot food can not eat hot food during pregnancy, such as dog meat, mutton, pepper, etc.. Pregnancy tonic, should follow the principle of “cool and avoid hot”, even fruit, should also eat the sexual taste of flat, cool things, such as tomatoes, raw pears, peaches, etc.. 3, avoid the abuse of tonic drugs again good tonic drugs, but also through the body’s metabolic process, increasing the burden on the liver and kidneys, there are certain side effects, so the pregnant woman and the fetus will bring varying degrees of impact. Some pregnant women have taken a lot of bee milk, resulting in severe diarrhea and eventually miscarriage. The frequent consumption of ginseng royal jelly, ocean ginseng pills, Gongbao, etc. can damage the pregnant woman and the fetus in the womb. 4, avoid taking forbidden drugs Generally speaking, if taking drugs fashion for early embryo, not yet bedded, the impact on the fetus is not significant. And usually pregnant women eat only some cold medicine, stomach medicine, the amount of medicine is not large, will not have a great impact, do not worry too much. But if you eat a lot, and take the medicine for a long time, or antiviral drugs, there is an impact on the fetus, need to pay attention to.