Similarly, its absence characterizes the Rh-negative blood group ... people have been confirmed to possess this blood type.

If Neanderthal women mated with Homo sapiens or Denisovan men, there was a high risk of newborns having neonatal hemolytic ...

Another important antigen is the Rh factor, which gives the "positive" and "negative" signs to blood types. So, nowadays, ...

Moreover, the demographic characteristics of blood donors ... antigen that can be present (Rh-positive) or absent (Rh-negative) on red blood cells. Transfusion Compatibility: The compatibility ...

It's a bit simplistic, but you can think of the Rh factor as a protein that is either present (positive) or absent (negative) on red blood cells. Exact percentages vary with race, but most people ...

But if you don't have the protein, you're RH negative. You don't necessarily have to have the same blood type as your baby since the baby will inherit characteristics from both parents.