The disease Erythroblastosis foetalis in the | vedclass

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(B) Erythroblastosis foetalis is a hemolytic disease of the newborn.It occurs when an $Rh$-negative mother carries an $Rh$-positive fetus.During the f

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Disadjustment of $Rh$ factor

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(B) Erythroblastosis foetalis is a hemolytic disease of the newborn.It occurs when an $Rh$-negative mother carries an $Rh$-positive fetus.During the first pregnancy,the mother's blood is exposed to the $Rh$ antigens of the fetus,leading to the formation of anti-$Rh$ antibodies in her blood.In subsequent pregnancies with an $Rh$-positive fetus,these antibodies can cross the placenta and destroy the fetal red blood cells,causing severe anemia and jaundice.Therefore,it is caused by the incompatibility or disadjustment of the $Rh$ factor.

Column-$I$ (Cells)	Column-$II$ (Average number per $mm^3$)
$P$. Erythrocytes	$I$. $1.5$ to $3.5$ Lakhs
$Q$. Leukocytes	$II$. $6,000$ to $8,000$
$R$. Thrombocytes	$III$. $5$ to $5.5$ Million

The disease Erythroblastosis foetalis in the human embryo is caused due to:

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$Q$. Leukocytes $II$. $6,000$ to $8,000$
$R$. Thrombocytes $III$. $5$ to $5.5$ Million

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