If symptoms such as bloating, hiccups, nausea and vomiting occur in the early stage of pregnancy, it is mainly considered to be caused by pregnancy reaction, and the possibility of digestive system diseases such as gastroenteritis cannot be completely excluded. The hormone level in women’s body changes drastically in the early stage of pregnancy, and accordingly, it will affect the normal gastrointestinal function, so most pregnant women will have different degrees of nausea, vomiting, diarrhea, bloating and other symptoms, which will generally disappear after a period of time and do not require medication or other medical intervention. For digestive system diseases such as gastroenteritis and indigestion, they may also cause nausea and bloating and other symptoms, which also need to be brought to the attention of pregnant women. Pregnant women can observe for a period of time, and if the condition does not disappear, they should consider organic lesions of the digestive system and need to go to the hospital for examination in time.