Explain why the first child who is Rh-positive survive but
the second child who is also Rh-positive does not survive.
Small
amount of the fetus blood with antigen Rh
leak/ enter/ mix into the mother’s blood
|
(Stimulates/
trigger) the production of antibody (anti-Rhesus in the mother’s blood)
|
The antibody
(anti- Rhesus) diffuse into the foetal’s blood
|
Causing
agglutination/ haemolysis of the foetal red blood// cell in small quantity
|
During second
pregnancy (second child with Rh-positive).
The small amount of fetus blood leak/ enter/
mix into the mothers blood
|
Trigger more
antibody (anti-rhesus) to be released from the mother’s blood
|
The antibody
diffuses into the foetus blood
|
Causing (more) haemolysis of foetal red blood cell
|
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