1. Preparation before pregnancy 1. Physical examination and vaccination Before planning pregnancy, women should undergo a comprehensive physical examination to ensure good health. At the same time, vaccination is also required to prevent the impact of certain infectious diseases on the fetus. 2. Adjust your lifestyle. Before pregnancy, you must adjust your lifestyle, including diet, exercise, work and rest, etc. Maintain good eating habits and eat more nutritious foods. Proper physical exercise can enhance physical fitness and improve post-pregnancy