1. Reasons why pregnant women should not eat. During pregnancy, the physical condition and metabolism of pregnant women change, so they need to pay attention to their diet. Poor eating habits may have adverse effects on the fetus and mother. Therefore, there are some foods that pregnant women should avoid. 2. Types of foods that pregnant women should not eat 1. High-fat and high-cholesterol foods High-fat and high-cholesterol foods will increase the chances of pregnant women suffering from cardiovascular disease, diabetes and other diseases. These foods include fried foods, animal offal, cream, butter, etc. 2. Raw and cold seafood Raw and cold seafood may be infected with bacteria or parasites.