The juice of amaranth has a significant active effect on the uterus of pregnant women, which can increase the number of contractions and the strength of contractions, which can easily cause miscarriage; 3, pepper: pepper is a warm food, although there is no toxicity, but excessive consumption can cause dryness and heat in pregnant women, which makes pregnant women consume gas and hurt yin, and even cause the phenomenon of blood and slippery fetus, so pregnant women try to eat less of this 4, long-stored potatoes: potatoes contain a substance called alkaloids, the longer the storage time, the actual content of alkaloids in potatoes will become higher. If pregnant women eat this long-stored potatoes will have an impact on the development of the fetus, but also can lead to the possibility of fetal malformation, so sprouted or green potatoes pregnant women had better not eat; 5, crab: crab is a cold food, with blood and blood stasis effect, may lead to pregnant women slippery fetus, so pregnant women are not recommended to eat; 6, pickled, smoked food: pickled, smoked food nutrients in processing process is destroyed, and many pickled, smoked food contain a large number of nitrites, polycyclic aromatic hydrocarbons and other carcinogenic substances, pregnant women after long-term consumption, may cause cancer or cause fetal genetic mutations; 7, hawthorn: hawthorn for pregnant women have a greater contraction of the uterus, habitual abortion or miscarriage must not eat this food; 8, mango: pregnant women in pregnancy The phenomenon of internal heat may occur after pregnancy, and mango is a hot fruit, after consumption will aggravate the symptoms of internal heat of pregnant women, and in serious cases may cause miscarriage of the fetus; 9, strong tea: strong tea contains more caffeine, fluorine and tannic acid, of which caffeine will increase the number of heartbeats and the actual number of urination of pregnant women, will also increase the burden on the heart and kidneys, fluorine will have a different impact on the development of the fetal bones, and tannic acid. Fluorine will have different degrees of impact on fetal bone development, and tannic acid will inhibit the absorption of iron in pregnant women, which will directly lead to iron deficiency anemia. In addition, pregnant women should also pay attention to eat less food with high sugar and fat, as well as cold food and fruits, such as ice cream and watermelon, to avoid adverse effects on themselves and the fetus.