Pregnant women should not eat leeks. Pregnant women need to pay attention to their diet, especially in the early stages of pregnancy, because the fetal organs are now in the development stage. During this period, many pregnant women want to protect the health of the mother and fetus through food intake. However, when choosing food, pregnant women need to choose carefully. Although some foods are delicious, they may have a negative impact on the health of pregnant women and fetuses. Among them, leeks are an ingredient that requires special attention. Next, let’s analyze the reasons why pregnant women cannot eat leeks. Properties of leeks: leeks contain glucosinolates and vitamins.