Pregnant mothers need to pay special attention to controlling blood sugar during pregnancy to avoid adverse effects on the fetus and their own health. Here are some suggestions for reasonable blood sugar control:

1. Diet adjustment: Pregnant mothers should choose foods with low GI (glycemic index), such as whole wheat bread, brown rice and oatmeal, and avoid foods with high GI, such as white bread, candy and cakes. In addition, pregnant mothers should also control the intake of carbohydrates and increase the intake of protein and dietary fiber.

2. Regular diet: Pregnant mothers should eat regularly every day to avoid excessive hunger or overeating. It is recommended to eat six times a day in moderation. Don't be too full or hungry.

3. Exercise: Proper exercise can help pregnant mothers control their blood sugar levels. Pregnant mothers are advised to do light exercise every day, such as walking and yoga, but avoid strenuous exercise and standing for a long time.

4. Regularly monitor blood sugar: Pregnant mothers should regularly measure blood sugar levels in order to adjust their diet and lifestyle in time. If the blood sugar level is too high or too low, you should seek medical advice in time and follow the doctor's advice for treatment.

In short, pregnant mothers should control their blood sugar levels through reasonable diet, regular diet and proper exercise to ensure the health of themselves and their fetuses. At the same time, we should also pay attention to monitoring blood sugar regularly and treat it according to the doctor's advice.