What are the causes of auricle deformity?

1. Auricular malformations are mostly caused by congenital reasons, such as heredity, and mothers are infected with syphilis and viruses during pregnancy, especially rubella virus;

2. Pregnant women take certain drugs or suffer from diseases such as metabolic and endocrine disorders, or are exposed to certain chemicals and radiation; Will lead to fetal ear development deformity. Congenital causes and experiences often not only cause auricle deformity, but also cause structural abnormalities such as external auditory canal and middle ear.

3. Acquired factors such as auricle trauma and infection can also cause serious auricle malformation, and some can be complicated with external auditory canal stenosis or atresia, but this is generally not accompanied by middle ear malformation.