When toxemia occurs during pregnancy, pregnant women may experience the following symptoms: 1. oedema of the eyelids, a serious decrease in urine output, accompanied by swelling of the lower limbs, and even ascites, mainly because the kidneys of patients with toxemia fail and water and sodium are not excreted normally, so a series of symptoms of water and sodium retention may occur; 2. pregnant women may experience loss of appetite, indigestion, or nausea, vomiting and other digestive symptoms, mainly because of the impact of urotoxins on the gastrointestinal function; 3, 2. Pregnant women may suffer from loss of appetite, indigestion, or nausea, vomiting and other digestive symptoms, mainly due to urotoxins affecting the gastrointestinal function; 3. The gas exhaled from the mouth of pregnant women smells like urine, which is caused by the formation of ammonia due to elevated urea in the body. Combined toxemia during pregnancy is dangerous and may lead to premature delivery and fetal asphyxia or death, and requires active treatment measures.