Pregnant can not eat hairy crabs, because crabs belong to the cold food, eating crabs during pregnancy can easily cause miscarriage, especially early pregnancy is best not to eat indiscriminately, such as cinnamon, hawthorn and other foods can not be eaten, easy to cause miscarriage. You can eat more fish, shrimp, lean meat and other foods during pregnancy to supplement protein to help the development of the baby, in addition to eating more green leafy vegetables, such as spinach, oil wheat, etc., can supplement folic acid, but also vitamins, but also to prevent constipation during pregnancy and other conditions, which are beneficial to both the baby and the pregnant woman. The fetal development is unstable in early pregnancy and can easily lead to miscarriage, it is best to pay attention to rest, do not exercise strenuously and do not have intercourse, if abdominal pain, redness is considered an aura of miscarriage, it is best to take reasonable fetus preservation drugs, such as progesterone available.