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 ...

The ABO-Rh system of blood group typing is an immensely successful method that helps medical professionals safely perform blood transfusions throughout the world. Scientists from the French Blood ...

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 ...

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 ...