Why pregnant women vomit?

After pregnancy, women will show nausea and vomiting, mainly because estrogen in the body shows a large increase after pregnancy, which will reach a thousand-fold increase, so that women show water and sodium retention, and water and sodium retention can cause gastrointestinal mucosa to show mild edema, so they will show nausea, vomiting, anorexia, saliva and other clinical manifestations, which are clinically normal phenomena. Most of the time, after about 10 weeks of pregnancy, this condition will gradually reduce and basically disappear by 3 months. If nausea and vomiting are severe and you cannot eat, go to the hospital in time for appropriate examinations. If necessary, rehydration treatment should be given, and electrolyte disorders should be corrected. If acidosis is present, acid correction treatment should be given.