Markers clinically relevant for transfusions or pregnancy.

This category explores your genetic blueprint for blood group systems. While you likely know your general ABO and Rh (positive/negative) type, your genes actually code for hundreds of distinct markers (antigens) on the surface of your blood cells.

Understanding this deeper genetic profile is a key element for medical compatibility. The main purpose is to help ensure your immune system does not identify donated blood or, during pregnancy, your baby’s blood as ‘foreign’, potentially creating an immune reaction against it.

This knowledge is valuable for safe blood transfusions, pregnancy management, and certain transplants.

In this section, you will find two main types of genetic markers:

First, clinically relevant markers. It is important to understand that these markers do not represent a disease on their own. Instead, they identify specific blood characteristics that are beneficial for your medical team to be aware of. Having one of these markers might suggest you need a more specific blood match for a transfusion or special monitoring during pregnancy to help prevent immune-related complications.

Second, benign variants. These are common markers found in the population that simply form part of normal human diversity. They are not associated with a negative impact on your health and just contribute to your unique genetic makeup.

The section also includes a Blood Type Calculator.

Please note that Genomapp is not for diagnostic use, it does not provide medical advice and is not a substitute for it. Consult with your health specialist if you have any question.