The results of gene diagnosis of β thalassemia: 17 /βn is a common β thalassemia, and the genotyping is β0/βn type, which is moderate and mild β. Usually it is basically the same as normal people, and the clinical manifestations are mostly normal or mild anemia. Marrying and having children of the same type may produce children with moderate and severe β -thalassemia. When you get married, you should try to avoid marrying people of the same type, but you can marry abnormal alpha type.