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 ...

Welcoming a newborn is usually a time of pure joy for any family, but for some parents, unexpected health scares like severe ...

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 ...

One out of every eight marriages in the U.S. is a potentially dangerous mismatch, biochemically speaking. In these 200,000 or more marriages a year, the wife lacks the Rh factor present in most blood ...

There are different blood types: A, B, AB, and O, with each also being Rh-positive or Rh-negative. Knowing your blood type is ...

A person's blood type is determined by "the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body," according to American Red Cross.

IN the five years that have elapsed since the Rh factor in human red cells — better known as the Rh blood type — was first discovered, there has been a steadily increasing volume of literature on this ...