Hemoglobin A1c (A1C) estimates your average blood sugar over about 3 months. It helps guide diabetes goals and treatment changes. A1C has been a cornerstone of diabetes management since the 1990s. The ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. An A1C test measures the amount of glucose in your blood over the previous 12 weeks. This is important ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

Medically reviewed by Jane Kim, MD Key Takeaways Blood sugar levels for older adults should be monitored regularly because ...

Eun Lee, MDKey TakeawaysA fasting blood sugar test result under 99 mg/dL is considered normal, while 126 mg/dL or higher ...

Before addressing glucose and A1C, it is important to consider the factors that impact the results of any blood test. While laboratory medicine journals have devoted some discussion to the sources of ...

Learn how this tool can help you understand and manage your glucose levels effectively. As use of continuous glucose monitors has become more common, people with diabetes have started using a ...

Notwithstanding the use of glucose (FPG and/or the OGTT) as the "gold standard" for the diagnosis of diabetes for many years, glucose testing suffers from several deficiencies. The requirement that ...