What question did this study set out to answer?

To evaluate the incidences of S and s antigens and their phenotypes in a specific population in Saudi Arabia.

February 13, 2026

The Incidences of S and s Antigens of the MNS Blood Group System in the Western Region of Saudi Arabia

AHAmr J HalawaniUmm al-Qura University SJSahal JamalallailKing Abdulaziz Medical City

Key Points

To evaluate the incidences of S and s antigens and their phenotypes in a specific population in Saudi Arabia.
Analyzed the occurrences of S and s antigens in blood samples from the Western Region of Saudi Arabia.
Recommended expanding the transfusion screening panel to include these antigens.
S and s antigens were found to vary in incidence among the population examined.
Highlighting the need for updated transfusion practices to include these specific antigens.

Abstract

The incidences of the S and s antigens and phenotypes have been reported in both populations. We highly recommend to extend the transfusion screening panel to include the S and s antigens to preclude the red blood cell alloimmunization to these antigens.

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