With prediabetes on the rise, a simple A1C blood test reveals exactly where your blood sugar sits and whether you're heading toward type 2 diabetes before you have a diagnosis. The catch? Financial ...

The A1C test can also be used to diagnose gestational diabetes in the first trimester.

Available at-home A1C test kits require users to send blood samples from finger pricks to a lab and wait for results. These types of at-home testing methods are thought to be less accurate than ...