The mysterious Rh factor-in human blood had disturbed the serenity of many a mother-to-be. For if a wife’s blood were Rh negative and a husband’s Rh positive, their child might be stillborn, or born ...

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 ...

Blood is made up of red blood cells, white blood cells, platelets, and plasma. Markers called antigens are found on the surface of red blood cells, and differences in these markers classify various ...

Many people don't know what their blood type is. It's either type A, type B, a combination called type AB or type O. But what makes those types different is a microscopic bit of protein on the surface ...

A new factor has been added to the marital equation. It is the Rh factor in human blood, discovered in 1940 and so named because famed Blood Analysts Karl Landsteiner and Alexander Solomon Wiener used ...

In March, the U.S. FDA reported a major shortage of Rhogam, the anti-D immune globulin most widely used to prevent Rh factor incompatibility in pregnancy. Without treatment, second and subsequent ...