There’s more history in your blood types than you think, and it didn’t begin with humans. Here’s what we know about them, ...

Global health authorities are updating policies to conserve scarce Rh-negative blood while new scientific breakthroughs reveal ultra-rare blood types. Australia has expanded donor eligibility to ...

Several genes with varying inheritance patterns are involved in determining your blood type. The most significant gene is the ABO gene which determines your ABO blood type. Like many of your physical ...

Women who become pregnant quickly discover that pregnancy involves a lot of testing and monitoring. Routine blood work is part of the procedure, too. Individuals who learn they are Rh negative will ...