Lesley Van Wyk/LinkedIn
Oct 22, 2026, 14:11
Lesley Van Wyk: The Bombay Blood Group Explained
Lesley Van Wyk, Laboratory Manager at National Health Laboratory Service, shared a post on LinkedIn:
“Bombay blood group (Oh) is an extremely rare blood type caused by the absence of the H antigen.
It often appears as group O in routine testing, but ordinary O blood is incompatible with Bombay phenotype patients.
- H antigen is absent.
- Anti-H antibodies are typically present.
- Compatible Bombay phenotype red cells are required for transfusion.
Accurate identification is critical for safe blood transfusion.”
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