Pregnant women need to pay attention to their diet during pregnancy as their bodies need to meet the nutritional needs of their developing fetus. However, some foods may have negative effects on the health of the fetus and pregnant woman. This article will introduce what foods pregnant women should not eat. Raw and semi-cooked meat Raw and semi-cooked meat may carry bacteria, such as salmonella and Toxoplasma gondii, which can cause fetal infections and fetal malformations. Therefore, pregnant women should avoid eating raw and semi-cooked meats, such as raw beef, raw pork, raw chicken, semi-cooked chicken and undercooked eggs. Raw fish and shellfish Raw fish and shellfish may carry bacteria and parasites, as well as harmful substances such as mercury in kelp and cod liver oil. These harmful substances can have a negative impact on the neurodevelopment of the fetus. Therefore, pregnant women should avoid eating raw fish sushi, raw shellfish, and canned fish. Coffee and Tea Pregnant women can drink coffee and tea in moderation, but excessive drinking will have a negative impact on the health of the fetus. Caffeine and theophylline stimulate the heartbeat and breathing of the fetus and increase the risk of miscarriage, premature birth and pregnancy toxemia in pregnant women. Therefore, pregnant women should limit their coffee and tea intake. Alcohol and Nicotine Alcohol and nicotine can affect fetal growth and development and increase the risk of premature birth, low birth weight, mental retardation, and behavioral problems. Therefore, pregnant women should avoid drinking alcohol and smoking. What is the Life Guide for Pregnant Women and Expectant Mothers PDF High-sugar and high-fat foods High-sugar and high-fat foods can increase the risk of gestational diabetes, hypertension and cardiovascular disease in pregnant women, and affect the growth and development of the fetus. Therefore, pregnant women should avoid foods high in sugar and fat, such as sweets, candies, potato chips, and fried foods. In short, pregnant women need to pay attention to their diet and avoid the above-mentioned foods that are not good for the health of their fetus and themselves. If you have any questions or concerns, please consult your doctor or nutritionist.