Biology · Erythroblastosis Foetalis
In a classic clinical scenario without medical intervention, why is Erythroblastosis Foetalis usually not a risk during the first pregnancy?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The placenta completely blocks all maternal antibodies only during the first pregnancy.
- 2Maternal exposure to fetal Rh antigens is insufficient to cause significant antibody production until delivery.✓
- 3The mother's body lacks the genetic ability to produce antibodies during the first pregnancy.
- 4The first child does not inherit any Rh antigens from the father.
Correct answer
Maternal exposure to fetal Rh antigens is insufficient to cause significant antibody production until delivery.
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