How many diffenert type of diabetes are there?

There are primarily three types of Diabetes: Type 1, Type 2, and gestational diabetes. Type 1 diabetes is an autoimmune condition where the body does not produce insulin, while Type 2 diabetes is characterized by insulin resistance and often linked to lifestyle factors. Gestational diabetes occurs during pregnancy and typically resolves after childbirth. Additionally, there are other less common types, such as monogenic diabetes and secondary diabetes, but the main focus is usually on the first three.