Pregnant women who are in good health can eat watermelon normally during pregnancy. If there is gestational diabetes, it is not recommended to eat watermelon. Watermelon belongs to one of the more common fruits, which contains a lot of water, sugar, vitamins and other substances, which can effectively replenish the body with nutrients, which is conducive to their own health. For healthy pregnant women, you can eat fresh watermelon. If a pregnant woman has gestational diabetes during pregnancy, she needs to avoid high sugar intake, because the large amount of sugar contained in watermelon may cause a significant increase in blood glucose in pregnant women, thus increasing the chances of complications, which is not conducive to the health of the pregnant woman and the fetus. It is recommended that pregnant women should take into account their own situation to determine whether they can eat watermelon. They need to eat a balanced diet and avoid picky eating and partiality.