Pregnancy is a very special stage for expectant mothers. Because at this stage, the expectant mother\’s body needs more nutrition and protection to ensure the healthy growth of the fetus. However, there are some foods that should not be eaten during pregnancy. These foods may not only cause harm to the mother-to-be, but may also affect the health of the fetus. In this article, we will introduce in detail the four types of foods that pregnant women cannot eat, and the specific reasons why they need to eat less of these four types of foods. The first category of foods that cannot be eaten: Tobacco and alcohol Tobacco and alcohol should be avoided by pregnant women during pregnancy because cigarettes and alcohol produce chemicals that are harmful to the body. Alcohol during pregnancy affects the developing brain and nervous system of the fetus and may lead to prenatal birth defects and intellectual development problems. Cigarettes can lead to dangerous complications such as low birth weight, premature birth, and stillbirth. Therefore, to ensure the healthy growth of the baby, pregnant women should completely avoid smoking and drinking alcohol during pregnancy. Pregnant women’s diet and nutrition recipe taboo series book PDF The second category of foods that cannot be eaten: undercooked eggs, meat, soy products Eggs, meat and soy products are important sources of protein for pregnant women, but these foods must be combined with Proper cooking methods make it safe to eat during pregnancy. Undercooked eggs, meat, and soy products may carry pathogenic bacteria and cause infections during pregnancy. These diseases may cause difficult-to-treat damage to the mother and fetus. Therefore, during pregnancy, it is important to ensure that eggs, meat and soy products are cooked before eating to ensure the health and safety of the mother and fetus. The third category of foods that cannot be eaten: uncleaned vegetables and fruits, large carnivorous fish. During pregnancy, pregnant women need to ensure that they consume a large amount of fruits and vegetables every day in order to obtain adequate nutrition. However, many fruits and vegetables may be contaminated with pathogenic bacteria, especially those that are not washed properly. Large fish, such as sharks, tuna, etc., have higher concentrations of mercury in the food chain. High concentrations of mercury may threaten fetal neurological development, so consumption should be avoided. The fourth category of foods that need to be eaten less: sweets and sugary drinks, caffeinated foods, highly processed foods, spicy foods. Pregnant women need extra energy and nutrients during pregnancy to support the growth and development of the fetus. However, too much sugar can lead to weight gain and metabolic problems. Pregnant women can eat sweets occasionally during pregnancy, but should limit their intake and choose healthy sources of sugar, such as fruit. Excessive intake of foods and beverages containing caffeine, such as coffee, tea and chocolate, can increase the blood pressure and heart rate of pregnant women, and can also have a negative impact on the nutrient supply of the fetus. Therefore, expectant mothers are advised to limit their caffeine intake and choose caffeine-free alternatives. Highly processed foods, such as fast food, canned foods and snacks, usually contain ingredients high in fat, salt and sugar, which are detrimental to blood pressure and blood sugar control during pregnancy. Spicy foods, such as chili peppers and Sichuan peppercorns, may cause acid reflux and indigestion discomfort, affecting the digestive system of expectant mothers. Although these foods need to be eaten less during pregnancy, they do not mean they are completely banned. a reasonable dietControlling and balancing your intake will still allow you to enjoy some of your favorite foods once in a while. Therefore, the key is to pay attention to appropriate amounts and reasonable combinations, and ensure that the staple food is diverse and nutritious. To sum up, diet during pregnancy is crucial to the health of the expectant mother and fetus. Expectant mothers should avoid smoking and drinking, choose well-cooked eggs, meat and soy products, ensure that fruits and vegetables are washed, and try to avoid the intake of large carnivorous fish. In addition, expectant mothers should try to reduce their intake of sweets, sugary drinks, caffeinated foods, highly processed foods, and spicy foods. Following these dietary principles can best protect the health of pregnant women and fetuses and lay a good foundation for the birth of a healthy baby.