Precautions for Pregnant Women in Three Months 1. Diet Precautions During the first three months of pregnancy, diet is particularly important. Pregnant women need to ensure balanced nutrition, but they also need to avoid eating some foods that are not conducive to fetal development. The following are some dietary considerations: 1. Eat more foods rich in protein, vitamins and minerals, such as lean meat, fish, eggs, beans, vegetables and fruits. 2. Avoid eating too much greasy and irritating food, such as chili peppers, garlic, etc.