RH Incompatibility and Prenatal Screening
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Questions and Answers

What is the primary purpose of determining the paternal blood type and zygosity?

  • To diagnose the presence of bilirubin in the amniotic fluid
  • To check for subcutaneous edema in the fetus
  • To determine the risk of hemolysis in the newborn
  • To identify the risk of Rh incompatibility during pregnancy (correct)

    • What is the significance of a maternal Rh Anti-D titre of 15 IU/mL or more?

  • Normal fetal development
  • Presence of antibodies on the surface of fetal RBCs
  • Low risk of hemolysis in the newborn
  • High risk of hydrops fetalis (correct)

    • What is the purpose of performing amniocentesis in Rh incompatibility?

  • To check for antibodies on the surface of fetal RBCs
  • To detect the presence of bilirubin in the amniotic fluid (correct)
  • To measure the maternal Rh Anti-D titre
  • To determine the fetal hemoglobin concentration

    • What is the significance of ultrasound examination in Rh incompatibility?

    <p>To diagnose hydrops fetalis</p> Signup and view all the answers

    What is the purpose of cordocentesis in Rh incompatibility?

    <p>To determine the fetal hemoglobin concentration</p> Signup and view all the answers

    What is the purpose of Coomb's test in Rh incompatibility?

    <p>To detect the presence of antibodies on the surface of fetal RBCs</p> Signup and view all the answers

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