This antigen is present in 85% of people (those with an Rh-positive blood group). Similarly, its absence characterizes the Rh ...

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 ...

nor why some people lack the protein, but an issue can arise if an Rh-negative person is pregnant with an Rh-positive fetus. In this scenario, called Rh incompatibility, the pregnant person's ...

This study was undertaken to determine whether Rh-positive mothers induce immunologic tolerance or primary sensitization in their Rh-negative daughters as the result of transplacental passage of ...

Ounce of Prevention is a weekly column which presents recommendations for preventative services derived from The United ...