RH Factor

Antibodies to Rh factor are not found unless?

There was an exposure to the Rh antigen

hemolytic disease of the newborn

This disease occurs in the fetus if the fetus is Rh+ while the mother is Rh-.

The first child with Rh postive won't be affect but....will the next child?

Yes , the second one would be affected

If clump forms after mixing anti-d serum what does it determine?

You are Rh Postive

RhoGAM shot

given to mother soon after the first delivery, miscarriage, or abortion so that antibody binds to fetal RBC and removed it from the body before they can stimulate her immune system.

erythroblastosis fetalis

hemolytic disease in the newborn (HDN) caused by a blood group (Rh factor) incompatibility between the mother and the fetus

Would there be a problem if the mothe was Rh postive and father Rh negative?

no potential problems

Problems with Rh incompatibility usually do not arise when?

on the first pregnancy

What could happen if a baby being delivered was Rh postive to the mother?

some of the babys blood cells may enter the mothers system as the placenta pulls away from the uterine wall

If the father was homozygous RR what is the likelyhood for the baby being Rh Postive?

100%

If the father was heterozygous Rr what is the likelyhoood the baby being Rh postive?

50/50

hemolytic disease often requires what type of transfusion?

A neonatal transfusion

The RhoGAM shot must be given when?

After each Rh positive birth or miscarraige

Name the several Rh factors

C, D, E, D

Which Rh factor is the largest?

D and is the most important

What is the most common way to stimulate anti-Rh antibodies?

During a pregnancy

How would you find your Rh blood type?

Mixing your blood with commercially prepared serum called "anti-D"

Rh factor

Refers to the presence or absence of the Rh antigen on red blood cells.

Where was Rh Factor discovered

Rhesus monkeys

Rh antigens are

Small igG type that can freely cross the placental circulation and destroy the blood cells of the second child