Crab can be eaten during menstruation, in moderation, and not for allergy sufferers. Women in menstruation need to replenish nutrients to meet the needs of physical recovery and the need to secrete milk. Crab is a food that contains more high-quality protein, which is easy to be absorbed by the body, and is conducive to providing energy for the body to meet the needs of metabolism. Therefore, women can eat crabs during menstruation, pay attention to choose fresh crabs can be. In addition to eating crabs during menstruation, you can also eat some chicken soup, fish soup, pork chop soup, etc., which can also replenish protein and other nutrients for the body. If there is an allergy, after eating crabs appeared uncomfortable, it is recommended to consult a doctor in time, under the guidance of the doctor for standardized treatment.