Top
10
Doctor insights on: Does The Rh Factor In Blood Help Prevent Allergies

Share

Rh Factor (Definition)

The commonly used terms rh factor, rh positive and rh negative refer to the d antigen of the rh blood group system. In addition to its role in blood transfusion, the rh blood group system—specifically, the d antigen—is used to determine the risk of hemolytic disease of the newborn (hdn). Hdn sometimes occurs when an rh negative mother has an anti-d antibody and gives birth to ...Read more


2

2
Is the Rh factor in blood an antibody or antigen?

Is the Rh factor in blood an antibody or antigen?

Antigen: Rh factor is one the antigens present on red cells. Actually there are a number of subtypes of rh but the one people refer to is rh d antigen. See this site for more info. http://www.ncbi.nlm.nih.gov/books/nbk2269/. ...Read more

3

3
What can cause my blood Rh factor to change?

What can cause my blood Rh factor to change?

Genetic marker: Rh factor markers are inherited and do not change during a person's life, except in people who get bone marrow transplants. ...Read more

4

4
Can all blood types contain Rh factor?

Can all blood types contain Rh factor?

Yes: All blood types, whether a, b, ab, or o can be rh positive or negative. Written a+ or a-, b+ or b-, o+ or o-, etc. ...Read more

See 1 more doctor answer
5

5
If my husband and I have an Rh factor issue (he has a+ blood and mine is o neg), can we still have a baby?

If my husband and I have an Rh factor issue (he has a+ blood and mine is o neg), can we still have a baby?

Yes: You can get an injection of Rhogam at @ 28weeks and after birth if the baby is rH +. This is a common occurance and you can discuss it with your OB.I had the same thing and got Rhogam with both of my pregnacies. ...Read more

See 2 more doctor answers
6

6
How does Rh factor affect individuals having blood transfusion?

It can mean a lot.: This is an important factor to match up for a transfusion itself so there is no antibody reaction from the recipient if they are rh neg. And donor is rh pos.. It is extermely important in women of childbearing age who are rh neg. To be sure they get no rh pos. Blood so there is no chance that they develop antibodies in case they have an rh pos. Child and so have hemolytic disease of the newborn. ...Read more

7

7
When hospitals type and match blood, does it show the Rh factor or just the blood type?

When hospitals type and match blood, does it show the Rh factor or just the blood type?

Oh, MUCH more...: ABO type, Rh type, and a screen for any unusual antibodies from other groups that may affect the safety of transfuson. Typing blood is an extremely deep subject and there are actually dozens of types with which I'm experienced and many more that I've only read about. ...Read more

9

9
Blood test says my blood type is O Positive but on the part where is says Rh factor it says negative. How does that make sense? Mean something else?

It doesn't: It doesn't really, but here's what probably happened: If you're pregnant and getting prenatal labs, in RH negative patients who've had a previous pregnancy it's typical to test for RH factor antibody (an immune response against RH+ blood). This test is not necessary in RH+ women, but it was likely done by routine, and the result, as expected in negative since an RH+ person won't have RH Antibody ...Read more

See 1 more doctor answer
10

10
My blood type is rh- & my spouse is +. Are Rh factor problems common if my first child is rh+? I rec'd rhogam shots timely. Ttc 2nd child currently

My blood type is rh- &  my spouse is +. Are Rh factor problems common if my first child is rh+?  I rec'd rhogam shots timely.  Ttc 2nd child currently

Rh blood type: Being rh-, any child you bear that has rh+ blood type might be in danger of severe anemia. This incompatibility can be prevented by Rhogam injection at 28 weeks of gestation and again soon after the baby's birth . Having received Rhogam during your first pregnancy and after delivery will help prevent problems with your second baby. Good luck. ...Read more

See 2 more doctor answers
Dr. John Chiu
2,491 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more