"Blood contains red blood cells (RBCs). These RBCs contain the hemoglobin molecule that carries oxygen to the other tissues of your body. Hemoglobin molecules have different zones. One of the zones is known as HbA1c. This HbA1c contains glucose, which is also known as glycated hemoglobin. RBC lifespan is the time gap between the newly generated RBCs and the destroyed RBCs. This lifes... https://sahyadrihospital.com/videos/hba1c-test/