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Related Experiment Videos

Routine antenatal Rhesus D immunoglobulin prophylaxis: the results of a prospective 10 year study.

I Z MacKenzie1, P Bowell, H Gregory

  • 1Nuffield Department of Obstetrics and Gynaecology, University of Oxford, John Radcliffe Hospital, UK.

British Journal of Obstetrics and Gynaecology
|August 3, 1999
PubMed
Summary

Routine antenatal RhD immunoglobulin prophylaxis significantly reduces Rhesus D iso-immunisation in subsequent pregnancies. However, improving uptake and administration timing is crucial for maximizing benefits and cost-effectiveness in Rhesus D negative nulliparae.

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Area of Science:

  • Immunology and Obstetrics
  • Maternal-Fetal Medicine
  • Public Health Interventions

Background:

  • Rhesus D incompatibility poses a risk of hemolytic disease in newborns.
  • Antenatal RhD immunoglobulin prophylaxis aims to prevent Rhesus D sensitization in RhD-negative mothers.
  • Assessing the clinical and financial impact of routine prophylaxis is essential for optimizing obstetric care.

Purpose of the Study:

  • To evaluate the clinical and financial outcomes of routine antenatal RhD immunoglobulin prophylaxis.
  • To identify challenges and areas for improvement in the delivery of prophylaxis to Rhesus D negative nulliparae.
  • To determine the effectiveness of prophylaxis in reducing Rhesus D iso-immunisation.

Main Methods:

  • Retrospective and prospective comparison of two similar populations of Rhesus D negative nulliparae.

Related Experiment Videos

  • Intervention group received RhD immunoglobulin prophylaxis at 28 and 34 weeks gestation; control group did not.
  • Outcomes assessed included Rhesus D sensitisation rates, prophylaxis uptake, and laboratory activity.

    • Main Results:

    • Prophylaxis significantly reduced Rhesus D iso-immunisation in subsequent pregnancies (OR 0.28-0.43).
    • Uptake of prophylaxis was suboptimal: 89% received the first dose, 74% both, and only 29% at correct gestations.
    • A significant proportion of women delivered beyond the protective window of prophylaxis.

    Conclusions:

    • Routine antenatal prophylaxis is effective in reducing Rhesus D sensitisation and offers considerable savings.
    • Nationwide adoption is encouraged, but improvements in uptake and administration strategies are necessary.
    • A universal antenatal prophylaxis program for all Rhesus D negative women may not be economically viable.