Pregnant women with allergies and swelling during pregnancy are pregnancy reactions, which is a very common phenomenon. There are many causes of skin allergy in pregnant women. Some pregnant women are allergic to fetal secretions and excretions during pregnancy; pregnant women consuming allergic food can also cause skin allergy; taking too many supplements can also cause allergy. In early spring, the air is filled with pollen and other substances that can easily cause allergies, and pregnant women with low immune function can also be allergic to pollen. Pregnant women should not use drugs without permission After pregnancy, influenced by hormonal changes, short-term allergic skin inflammation often occurs. Skin allergies in pregnant women do not affect the fetus, but they are more troublesome to treat. Some drugs can enter the placenta through the pregnant woman’s skin and hinder the growth and development of the fetus or directly damage certain organs, which can lead to fetal malformations or diseases. Therefore, pregnant women with allergies should go to the hospital promptly. In addition, it is also important to pay attention to the diet. If you have had allergies to certain foods in the past, you should not eat them during pregnancy; if you have itching or panic or shortness of breath after eating certain foods, you should stop eating these foods immediately; do not eat foods that are easy to be allergic to, such as seafood. Pregnant women should not use cosmetics excessively Pregnant women should not use cosmetics excessively, because many cosmetics contain chemicals that are harmful to the health of the fetus. In spring, pregnant women can apply some baby creams to moisturize their skin. In addition, some chemical products in daily life such as laundry detergent, detergent pregnant women as little as possible, if contact with the best to wear protective gloves to avoid side effects on their own skin or fetus. These are the things that you need to pay attention to during pregnancy, so that you can avoid skin allergies and other aspects of pregnant women.