The mid-pregnancy just after eating a meal vomited may be pregnancy vomiting reaction, digestive system diseases and other reasons. 1. pregnancy vomiting reaction: generally pregnancy vomiting reaction occurs in early pregnancy, pregnant women will appear nausea, vomiting, loss of appetite and other symptoms, with the development of pregnancy reaction gradually disappear. However, some pregnant women may experience vomiting throughout their pregnancy, which may be related to the hormone levels in their bodies. 2. Digestive system diseases: vomiting after eating in mid-pregnancy, if accompanied by abdominal pain, flatulence, nausea and other symptoms, may be digestive system diseases, such as gastroenteritis. You can go to a regular hospital in mid-pregnancy and get a clear diagnosis from your doctor and cooperate with him or her in treating the symptoms.