Eating crayfish during pregnancy generally has no effect on the baby. Pregnant women can eat crayfish in moderation, crayfish is rich in protein, trace elements and other nutrients, can provide nutrition for pregnant women and the fetus. Eat crayfish generally do not have adverse effects on pregnant women and the fetus. But eat crayfish should pay attention to, if the crayfish allergic to pregnant women can not eat. And crayfish in the cooking should pay attention to clean, and to be fully cooked, so as to avoid food parasites, etc., after eating lead to abdominal pain, diarrhea and other gastrointestinal discomforts. Affect the health of pregnant women and the fetus, and, in doing crawfish should also pay attention to not add spicy and stimulating seasonings, try to eat a light diet. Pregnant women should pay attention to diet during pregnancy, try to provide comprehensive nutrition for the fetus. Pay attention to regular pregnancy checkups during pregnancy, and if there is any abnormality, deal with it in time.