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 ...

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, ...

The doctor may also recommend a dose of this vaccine for the pregnant woman if she miscarries or experiences any kind of bleeding during pregnancy. Put simply: the RH factor is an inherited protein ...

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 ...

Ever heard about RH compatibility? You'll hear the words mentioned more than a few times during pregnancy. But what is it, and why is it so important to learn about it during pregnancy? Put simply: ...