Worms in the intestines of pregnant women may be caused by unclean diet, consumption of seafood, raw meat and other reasons. 1. Dietary impurity: pregnant women with intestinal worms is generally due to pregnant women consuming unhygienic food caused by roundworms, may appear nausea, vomiting, diarrhea and other symptoms, generally can be relieved through conservative treatment, usually should pay attention to avoiding the intake of unclean food. 2. Consumption of seafood: pregnant women with intestinal worms may be due to the consumption of seafood caused by roundworms in the body, there may be diarrhea, defecation with roundworm discharge and other symptoms, usually should pay attention to avoid eating seafood. 3. Consumption of raw meat: pregnant women with intestinal worms may be due to the consumption of raw meat lead to roundworms into the intestinal tract, there may be abdominal pain around the umbilicus, poor appetite and other symptoms, usually should pay attention to avoid consuming raw meat, should pay attention to the meat cooked before consumption, can avoid roundworm eggs into the intestinal tract. As pregnant women in pregnancy is recommended to try not to use drugs, usually should pay attention to wash around the anus before going to bed, pay attention to personal hygiene, pay attention to dietary hygiene.