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you can ask for a simple blood type test.

Whether your blood type is A, AB, O, or B,

they always say if you're A/B/O/AB positive or negative, for example.

The positivity is whether you have the Rh factor or not( which is just a protein on all red blood cells), in simple terms.

It's just a protein or glycoprotein that either your blood has been exposed to, or not.

If you are Rh negative, that means you can ONLY be transfused with blood that is also RH negative, or else your body will mount a severe immune attack on the transfused blood.

That's part of the reason why O Negative blood is the universal blood donor type.

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16y ago

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Related Questions

If you know your blood type you know about the RH factor But why is it called RH?

The term "RH" stands for Rhesus factor, named after the Rhesus macaque monkey in whose blood the factor was first discovered in 1937. The RH factor refers to a specific protein present on the surface of red blood cells that can affect blood compatibility in transfusions and pregnancy.


What are Rh Factor?

The Rh factor is a protein that can be present on the surface of red blood cells. If someone has the Rh factor on their red blood cells, they are considered Rh positive. If they do not have the Rh factor, they are considered Rh negative.


Could type O mother and an A blood type father have an RH child?

type O and A is the type, you also have an Rh factor-either positive(meaning you have the factor) or negative(the Rh antigenis not present). All blood types can have a positive or negative rh factor so you need to know whether you and the father or RH positive or negative


Where did RH factor get its name?

The rh blood factor was first observed in Rhesus monkeys


Can your Rh factor change over time?

No, your Rh factor does not change over time.


Having which protein in blood we called RH factor is positive?

Having the Rh antigen protein in blood makes you RH factor positive.


What does the initials rh stand for in blood types?

The initials "Rh" stand for Rhesus factor, which is a protein found on the surface of red blood cells. This factor is important in blood typing, as individuals who have the Rh protein are considered Rh positive (Rh+), while those who do not have the protein are considered Rh negative (Rh-).


Is there any problems of having kids when couples have same Rh factor?

If both parents have the same Rh factor (positive or negative), there is no risk of Rh incompatibility that could affect future pregnancies. Rh factor only becomes a concern when the mother is Rh-negative and the father is Rh-positive, which can lead to Rh incompatibility in the fetus.


Rh positive mother a positive baby?

If a person has the Rh factor, then they are positive. If they don't have the Rh factor, they are negative. The Rh factor is dominant, so a mother with it would have an Rh positive baby even if the father is negative for the Rh factor.


Why is it important to check the Rh factor?

when a Rh+ mother carries a Rh- baby for second time, there is a high risk for the baby to suffer from a fatal disease called erythroblastosis fetalis , so it is necessary for one to know her Rh factor as well as her baby.


What is the Rh blood group named after?

I think Rh is not a blood group. Rh stands for a factor and derived its name from factor found in the blood of Rhesus monkey.


Is Rh factor a factor in donating an organ?

i think that !