The woman was preparing for surgery in a Paris hospital when doctors noticed something strange. Her blood didn’t match any ...

In addition to the A, B, AB and O blood groups, we also have the Rhesus blood ­group (RH) either positive or negative. In certain circumstances, ­a mismatch between the Rhesus groups of a mother ...

Now, scientists say the woman is the only known carrier of a new blood type called “Gwada negative.” It’s the only blood type ...

The rhesus classification determines whether cells are “positive” or “negative” for the Rh factor antigen. Blood group systems are essential for blood transfusions, ...

To avoid complications from a blood transfusion, recipients must be sure a donor¿s blood matches their own, meaning two main factors must agree: the blood group (A, B or 0) and the Rhesus factor ...

On the surface of the red blood cells are substances which determine the blood group. Most of us have the Rhesus factor and are Rh positive, but those who don’t will produce antibodies against the ...

The "Rhesus" blood group is well-known from the public for its importance in the field of transfusion medicine. New observations have implications in human medicine. They suggest that in man ...

A blood test is carried out to determine your blood group, which could be A, B or O and your Rhesus (Rh) blood group ( positive or negative). This is partly for the records, in case a transfusion ...

The Rh (Rhesus) blood group system (including the Rh factor) is one of the currently 30 human blood group systems. It is clinically the most important blood group system after ABO. The Rh blood ...

We each have a blood group, either A, B, AB or O; that is either positive or negative, depending on whether they have inherited an Rh (Rhesus) factor; where people with a Rh factor are Rh positive ...