风疹对优生影响甚大,不少人把风疹和风疹块等同起来,因此,孕妇出现风疹块时忧心忡忡,担心胎儿会畸形,其实,这是截然不同的两种病。在病因上,风疹是病毒性的急性传染病:风疹块也叫荨麻疹,是一种过敏性的皮肤病。如受冷、风吹、接触花粉等,或吃鱼、虾、蟹、腐败食物及肠道寄生虫病、消化不良、药物过敏等均可引起。 Rubella has a great influence on eugenics, many people equate rubella with rubella block. Therefore, when pregnant women have rubella block, they worry that their fetus will deform. In fact, this is a very different type of disease. On the etiology, rubella is a viral acute infectious disease: Rubella also known as urticaria, is an allergic skin disease. Such as cold, wind, pollen exposure, or eat fish, shrimp, crabs, spoilage of food and intestinal parasitic diseases, indigestion, drug allergies can cause.