Does sex matter in red blood cell transfusions?

When doctors select compatible red blood cell units for transfusion into a patient, they don’t consider the sex of the patient and whether the donor is the same (sex-matched) or opposite sex (sex-mismatched). But a study led by Dr. Michelle Zeller, Canadian Blood Services medical officer and assistant professor in the department of medicine at McMaster University, suggests that the role of donor sex in red blood cell compatibility may be worth a closer look.

Transfusion