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Rh blood group system


An individual either has, or does not have, the "Rh factor" on the surface of their red blood cells. This term strictly refers only to the most ...

Rh Factor - American Pregnancy Association


The Rh factor is a type of protein on the surface of red blood cells. Most people who have the Rh factor are Rh-positive. Those who do not have the Rh factor are  ...

Rh factor blood test Why it's done - Mayo Clinic


The Rh factor test is done during pregnancy to identify a woman's Rh factor. In some cases, the baby's father might need an Rh factor test, too. During pregnancy ...

Human Blood: Rh Blood Types


Clinically, the Rh factor, like ABO factors, can lead to serious medical complications. The greatest problem with the Rh group is not so much incompatibilities ...

Rh Incompatibility - KidsHealth


If you just found out you're pregnant, one of the first tests you should expect is a blood-type test. This basic test determines your blood type and Rh factor, which ...

Blood test for Rh status and antibody screen | BabyCenter


If you do have the Rh factor, as most people do, your status is Rh-positive. (About 85 percent of Caucasians are Rh-positive, as are 90 to 95 percent of African ...

Rh disease | March of Dimes


The Rh factor is an inherited protein found on the surface of red blood cells. Most people have this protein and are called Rh-positive. However, some people ...

Rh Blood Group, Rh Factor & Erythroblastosis Fetalis - Video ...


Rh factor is a red blood cell antigen found in most people. Those with Rh factor are Rh positive, while those without are Rh negative. In this lesson you will learn  ...

Rh factor - Infoplease


Rh factor, protein substance present in the red blood cells of most people, capable of inducing intense antigenic reactions. The Rh, or rhesus,

What Is Rh Incompatibility? - NHLBI, NIH


Jan 1, 2011 ... "Rh-negative" and "Rh-positive" refer to whether your blood has Rh factor. Rh factor is a protein on red blood cells. If you have Rh factor, you're ...

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Rh factor blood test - Mayo Clinic


Rhesus (Rh) factor is an inherited protein found on the surface of red blood cells. If your blood has the protein, you're Rh positive. If your blood lacks the protein, ...

The Rh Factor: How It Can Affect Your Pregnancy - ACOG


The Rh factor can cause pregnancy problems if you are Rh negative and your fetus is Rh positive. This ACOG patient FAQ explains screening and treatment ...

Rh Factor Testing | What to Expect


What is Rh factor testing? Learn more about your Rh factor and why it's important to know during pregnancy.