Pregnant women who are hungry at night and do not eat will not have any effect on the fetus in the short term, but in the long term it may lead to poor development of the baby, so they should eat in moderation. Pregnant women during pregnancy due to the need to supply the development of the fetus, so the relative metabolism will increase, the desire to eat and consumption of nutrients will increase appropriately. Occasional night hunger without eating for a short period of time will not have much effect on the fetus. However, prolonged hunger without eating will affect the fetus’s extraction of nutrients, which in turn affects the development of the fetus and may lead to malnutrition, developmental delay, and so on. Therefore, to ensure the normal development of the fetus needs to eat in moderation, you can eat light, easy to digest, highly nutritious food, such as porridge, noodles, broth, and so on, and avoid excessive, so as not to affect the pregnant women sleep at night.