Answer
Its main purpose is to prevent sensitisation, protecting future RhD-positive pregnancies. It does not treat established fetal or newborn haemolytic disease.
Sources for this answer
- NHSNHS · NHS medicine guidance
- Rhophylac 300 (1500 IU) — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.