1. Dietary Precautions Pregnant women need to pay attention to their diet during the second trimester to ensure balanced nutrition. Protein intake should be increased, along with sugar and fat intake. It is recommended to eat more fresh vegetables and fruits, and you can choose foods rich in calcium, such as milk and soy products. In addition, pregnant women should avoid eating cold, spicy, and irritating foods. 2. Precautions for exercise Pregnant women can do some light exercise appropriately during the second trimester, such as taking a