Constant spitting during pregnancy may be related to pregnancy reactions. Symptoms such as nausea and vomiting may occur after pregnancy due to the effects of chorionic gonadotropin levels in the body. This is due to the fact that the stomach produces more acid than when you are not pregnant and the symptoms of increased salivation occur. As the pregnancy progresses, chorionic gonadotropin levels peak in the 12th week of pregnancy, after which they gradually decline and stabilize, and the symptoms of increased salivation largely disappear. In addition, constant spitting stimulates the salivary glands to produce saliva constantly. Saliva increases, there is discomfort in the mouth, there will also be spit endless spit. During pregnancy, pay attention to eating more vitamins and trace amounts of fresh vegetables and fruits. Pay attention to regular diet, do not overeat. Do not eat too much sweet food, you can eat some soda crackers in moderation to relieve the symptoms. During pregnancy, you should take proper calcium supplements and need to prevent the occurrence of iron-deficiency anemia, as well as regular checkups.