The first three months is an important period for pregnant women to protect their fetuses, because during this period, embryonic development is the most fragile and miscarriage is prone to occur. In order to ensure a successful pregnancy, pregnant women need to pay attention to the following aspects. Reasonable diet Pregnant women need to pay attention to a reasonable diet in the first three months to ensure balanced nutrition and consume appropriate amounts of protein, carbohydrates, fats, vitamins and minerals every day. At the same time, pregnant women need to avoid eating spicy and unhygienic foods, such as chili peppers, raw and cold foods, fried foods, etc. In addition, pregnant women also need to maintain adequate fluid intake and drink enough water or tea every day. Proper rest: Pregnant women need to maintain adequate rest and sleep, and ensure 7-8 hours of sleep every day to avoid excessive fatigue. Pregnant women need to avoid strenuous exercise and standing for long periods of time, and can engage in light aerobic exercise, such as walking, yoga, etc. In addition, pregnant women also need to keep warm and avoid catching cold. Avoid stress Pregnant women need to avoid stress and mood swings and maintain a happy and calm mood. Pregnant women can relax and relieve stress and anxiety by listening to music, reading, etc. Regular prenatal check-ups Pregnant women need to have regular prenatal check-ups to understand the development of the fetus and the physical condition of the pregnant woman. Prenatal check-ups can detect and deal with pregnancy complications early, such as anemia, high blood pressure, etc., and help ensure the health and safety of the fetus. Avoid exposure to harmful substances Pregnant women need to avoid exposure to harmful substances, such as heavy metals, toxic gases, chemicals, etc. Pregnant women need to pay attention to environmental hygiene and personal hygiene in their daily lives to avoid infection with diseases and bacteria. In short, the first three months is a critical period for pregnant women to protect their fetuses. Pregnant women need to pay attention to a reasonable diet, proper rest, avoid stress, regular prenatal check-ups, and avoid exposure to harmful substances to ensure the health and safety of the fetus. At the same time, pregnant women also need to maintain an optimistic attitude and actively face the changes and challenges during pregnancy.