HBA1, or Hemoglobin A1c, is a form of hemoglobin that is used to measure average blood sugar levels over the past two to three months. It is an important test for individuals with diabetes, as it helps assess how well blood sugar levels are being managed. The results are expressed as a percentage, with higher percentages indicating poorer blood sugar control. The HBA1 test is typically performed using a blood sample taken from a vein or a finger prick. Healthcare providers recommend regular testing for those with diabetes to monitor their condition and adjust treatment plans as necessary. Maintaining an optimal HBA1 level can help reduce the risk of complications associated with diabetes.