Generally speaking, you can eat crayfish in moderation during pregnancy.
The diet during pregnancy should ensure balanced nutrition, dietary diversity, small meals; so basically, except for pregnant women who are allergic to seafood, can eat crayfish in moderation.
Crayfish is rich in protein (17.52g/100g), but high in cholesterol (137mg/100g); it also contains vitamin B12 (3.1μg/100g), which is among the highest of its kind and can be a good food source.
However, it should be noted that the purchase of fresh crayfish, and crayfish clean, and in the cooking process should be cooked, cooked through the crayfish; at the same time, pregnant women should try to avoid eating fried, spicy flavored crayfish.
For pregnant women should focus on dietary diversity to supplement a variety of required nutrients, it is recommended that with vitamin- and mineral-rich fruits and vegetables, to a balanced diet.