People with SCD have Hemoglobin S, and others make different forms of abnormal hemoglobin such as:
Hemoglobin C
Hemoglobin D
Hemoglobin E
There are different types of Sickle Cell Disease (SCD). The most common forms of SCD include the following:
Hemoglobin SS Disease
Hemoglobin SC Disease
Sickle Beta-Zero Thalassemia
Sickle Beta-Plus Thalassemia (Sickle Cell Disease Association of America, 2021).
For more information, please visit the link below to learn more.
Reference
Sickle Cell Disease Association of America. (2021). What is Sickle Cell Disease (SCD)?