Medically reviewed by David Hampton, MD Key Takeaways O- blood is the universal donor type because it can be used for ...

Dear Dr. Roach: I am a 79-year-old female. I am in generally good health, but have a question about RhoGAM. When I had my children in the ’60s, I was in the original study conducted to see if my AB ...

I am a 79-year-old female. I am in generally good health, but have a question about RhoGAM. When I had my children in the ‘60s, I was in the original study conducted to see if my AB negative blood ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A person's blood type is determined by "the presence or absence of certain antigens – substances that can trigger an immune ...

Put simply: the RH factor is an inherited protein found on the surface of the red blood cells in your system. Having the protein means RH positivity. But if you don't have the protein, you're RH ...