The Rh factor is a type of protein that's usually found on red blood cells. When you have this protein, you’re considered Rh positive. About 85% of people are Rh-positive. The rest are Rh-negative.

Paul G. Donohue, M.D. DEAR DR. DONOHUE: My mother had her first child, a boy, in 1914. I was born in 1918. My youngest brother was born in 1928, and my mother died when he was born. My youngest ...

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: ...

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 ...

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 ...

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. The RH Factor: How it can affect your pregnancy Ever ...

To the Editor: The editorial "The Rh Blood Factor" in the April 19 issue of the Journal is timely and brings attention to a subject to which physicians as a whole are giving scant regard. Strangely ...