Pregnant women can eat crayfish, eat crayfish in moderation will not affect the fetus. Crayfish is a common food in life, contains certain nutrients, such as protein, vitamins and a variety of minerals, etc., moderate consumption can be supplemented with the corresponding nutrients for the body. Pregnant women eating crayfish, should choose a light flavor, at the same time should not be too much intake at once, to avoid increasing the burden on the gastrointestinal tract, causing discomfort. But if you eat too much spicy crayfish, may stimulate the gastrointestinal tract diarrhea symptoms, if the degree of diarrhea is more serious, may induce uterine contractions, may cause preterm delivery in severe cases, is not conducive to the health of the fetus. It is recommended that pregnant women pay attention to the rationality of diet during pregnancy, eat more light and easy to digest and rich in nutritious food, strengthen the nutrition.