Pregnancy Precautions During pregnancy, pregnant women need to pay more attention to their body and diet to ensure the healthy development of the fetus. The following is a comprehensive list of precautions during pregnancy. Dietary taboos 1. Avoid foods and beverages rich in caffeine, such as coffee, tea, cola, etc. Caffeine can increase the risk of contractions, leading to miscarriage or premature birth. 2. Avoid eating too much seafood. Seafood is rich in mercury and other heavy metals, which will have a serious impact on the development of the fetal nervous system. 3. Avoid eating too many fried foods and high-sugar foods. This kind of food can easily lead to obesity in pregnant women and oversized fetuses, making delivery more difficult.