Rh Typing Compatibility/Incompatibility

Question 1

Rh Incompatibility
Circumstance:
What happens?

Answer 1

Mother has Rh negative blood and baby/fetus has Rh positive blood.
Because mother is Rh negative her body will produce antibodies against the baby’s Rh positive blood. When these antibodies cross the placenta they will cause hemolytic rxn of baby’s RBC’s and baby will become jaundice

Question 2

Rh incompatibility is addressed by?
When?
What does this Tx do?

Answer 2

RhoGAM in the second trimester and again a few days after birth
Prevents development of antibodies against Rh positive blood

Question 3

Pregnant women MUST receive RhoGAM if? (4)

Answer 3

• Every time they are pregnant
• If they have had a miscarriage or abortion
• After prenatal test such as amniocentesis or chorionic villus biopsy
• After injury to ABD during pregnancy

Question 4

Rh-induced hemolytic disease of the newborn is called?

Answer 4

Erythroblastosis fetalis

Question 5

Indirect Coomb’s test identifies ?

Answer 5

Clients sensitized to Rh-positive blood

Question 6

If pt is Rh negative and NOT sensitized the indirect Coombs’ test is repeated between________wks?

Answer 6

24-28 weeks