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Erythroblastosis foetalis occurs when
  • a)
    Mother is Rh negative and father is Rh positive
  • b)
    Father is Rh negative and mother is Rh positive
  • c)
    Both are Rh positive
  • d)
    Both are Rh negative
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Erythroblastosis foetalis occurs whena)Mother is Rh negative and fath...
Erythroblastosis foetalis occurs when:
A: Mother is Rh negative and father is Rh positive
Explanation:
Erythroblastosis foetalis, also known as hemolytic disease of the newborn, is a condition that occurs when there is an incompatibility between the Rh blood group of the mother and her unborn baby. This incompatibility can lead to the destruction of the baby's red blood cells, causing anemia and other complications.
Here's a breakdown of the scenario that causes erythroblastosis foetalis:
  • Rh factor: The Rh factor is a protein found on the surface of red blood cells. If a person has this protein, they are considered Rh positive (Rh+). If they do not have this protein, they are considered Rh negative (Rh-).
  • Mother's Rh status: In this scenario, the mother is Rh negative (Rh-), meaning she does not have the Rh factor protein on her red blood cells.
  • Father's Rh status: The father is Rh positive (Rh+), meaning he has the Rh factor protein on his red blood cells.
  • Baby's Rh status: Because the father is Rh+, there is a possibility that the baby could inherit the Rh+ blood type from the father.
  • Immune response: If the mother is exposed to the baby's Rh+ red blood cells, her immune system may recognize the Rh protein as a foreign substance and produce antibodies against it. These antibodies can cross the placenta and attack the baby's red blood cells, leading to erythroblastosis foetalis.
In summary, erythroblastosis foetalis occurs when the mother is Rh negative and the father is Rh positive, potentially resulting in a baby with an Rh+ blood type. The mother's immune system may produce antibodies against the baby's Rh+ red blood cells, causing hemolytic disease of the newborn.
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Erythroblastosis foetalis occurs whena)Mother is Rh negative and father is Rh positiveb)Father is Rh negative and mother is Rh positivec)Both are Rh positived)Both are Rh negativeCorrect answer is option 'A'. Can you explain this answer?
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