* Rh-null blood lacks all 61 Rh antigens, making it extremely rare and medically valuable * It can save lives as a universal donor within rare blood types * Rh-null individuals //can only receive ...

A man in Australia helped save the lives of more than 2 million babies by donating his "special" blood, which was used to make a medication that can prevent life-threatening problems in newborns. But ...

When you’re pregnant, you may learn that your baby isn’t your type — blood type, that is. Every person is born with a blood type — O, A, B, or AB. And they’re also born with a Rhesus (Rh) factor, ...

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 ...

We are all aware of the four blood types: Type O, Type AB, Type B, and Type A. The reason why blood types are different in the first place is because each of those blood types depends entirely on the ...

If a woman with Rh-negative blood bears a baby fathered by an Rh-positive man, there is a grave risk that she will become sensitized to the Rh factor in her baby’s blood and begin to produce anti-Rh ...

Different blood types are prevalent in different parts of the world. In the United States, AB-negative is the rarest blood type, while O-positive is the most common. Your blood type is based on ...

The rhesus factor, or Rh factor, is a protein that may be present on the surface of red blood cells (RBCs). If RBCs contain the Rh antigen, they are Rh-positive, and if not, they are Rh-negative. It ...