Pregnant love sweets and hunger, instinctive response, etc. have a certain relationship. 1. Hunger: after pregnancy, with the gradual development of the fetus, pregnant women sometimes intake of energy is insufficient, it is easy to eat some of the phenomenon of hunger, sweets contain carbohydrates, fats and other nutrients, which can provide heat for the body. Therefore, in the hungry state want to eat sweets to supplement the body’s heat. 2. Instinctive response: when people eat sweets, dopamine neurons in the brain will be activated, thus releasing opioid substances, the brain feels the excitement brought about by this substance will produce more cravings, so after eating sweets want to eat again. Although you love to eat sweets after pregnancy, you need to pay more attention to monitoring your blood sugar level, if your blood sugar is normal or low, you can eat sweets appropriately, but after the blood sugar abnormality, you should try to eat as few sweets as possible.