Reviewer #6 Flashcards
A condition that occurs during pregnancy when the mother’s body create Rh antibodies against the baby’s blood.
Rhesus Incompatibility
Other name of Rh incompatibility
> Hemolytic disease of the Fetus and Newborn
Erythroblastosis Fetalis
Blood type is classified according to the presence or absence of?
The Rh factor into Rh negative and Rh positive
Exposure to fetal antigens causes the mother to?
Produce antibodies
Usually acts a barrier to fetal blood entering the maternal circulation
Placenta
Fetal cells can enter the maternal circulation through?
A break in the placental barrier
Found on the surfaces of RBCs may cause isoimmunization
Rh Antigens
System used to designate Rh-Ag
Fischer CDE system
The most powerful Rh factor
D antigen
If RBCs carry D antigen the person is?
Rh positive
If Anti-D level is less than 4IU/mL it is
HDFN Unlikely
If Anti-D level is 4-15IU/mL it is
Moderate risk of HDFN
If Anti-D level is greater than 15IU/mL it is
High risk of hydrops fetalis
It is performed if the anti-D titre is 4 IU/ or more.
Amniocentesis