Pregnancy itch rash is a general term for a group of small wind-blown macules and chronic herpes-like skin lesions accompanied by intense itching, which are usually classified into three types: acute itch rash, chronic itch rash and symptomatic king itch rash. The etiology of this disease is not clear, but it is mostly inclined to autoimmune diseases. Some data show that the skin sensitivity of pregnant women with itchy rash is often higher than that of pregnant women without oxygen rash, and it is not uncommon for them to suffer from urticaria, asthma and other allergic diseases at the same time. From the point of view of Western medicine there may be two kinds 1, may be related to the high level of estrogen in the blood of pregnant women; 2, related to bile stasis. Researchers believe that due to the prolonged emptying time of the gallbladder of pregnant women, the gallbladder expands while the tension decreases, resulting in the formation of bile stasis, which increases the perceived acid and bile salt content and leads to itchy skin. Preventive care for pregnancy itch 1, the skin scratching during pregnancy is mostly caused by the lack of water in the body of the mother-to-be, because the demand for water in the body of women after pregnancy increases, so eat more vegetables, fruits, and ensure that the daily water intake is the best way to solve the root cause of itching during pregnancy. The itchy skin that occurs when the skin gradually stretches in late pregnancy, the main parts of the skin are concentrated in the abdomen. This situation is not necessary to be nervous, mainly due to the overextension of the abdominal wall, the emergence of stretch marks, as well as the abdominal wall of the sensory nerve endings stimulated, the symptoms are mild, generally do not need special treatment. 2, in addition, improve the diet during pregnancy can also eliminate or relieve the itchy skin during pregnancy, for example, some mothers suggest that you can eat more pork rinds, eat more sesame, walnut-type foods, eat less chili, leek, garlic and other irritating foods, try not to scratch, to avoid re-irritation and intensify the itch. Eat more fresh vegetables and fruits, keep your mood relaxed and excrete smoothly. 3, if the pregnancy itchy rash, the mother-to-be does not need to panic, should go to the hospital, under the guidance of the doctor medication.