Women can usually eat some crayfish in moderation when they are newly pregnant, but for pregnant women with asthma and allergies, it is not recommended to eat crayfish. Crawfish is rich in protein, can provide some nutrients for pregnant women, no harm to the body, for most pregnant women, you can eat some appropriate. But for the existence of asthma and allergies of pregnant women, may lobster in the protein is more sensitive, easy to activate the immune system, aggravate allergies as well as asthma symptoms, at this time it is not recommended to eat. Pregnant women in the consumption of crayfish, pay attention to not cooking too spicy, to prevent stimulation of the fetus, and pay attention to a small amount of use, if you eat crayfish after the body appeared uncomfortable symptoms, pay attention to timely hospital visits, under the guidance of the doctor to deal with.