Genotyping

A laboratory test that identifies which platelet antigens a person carries. Often used to confirm HPAHuman platelet antigen Proteins found on the surface of platelets. Incompatibility between maternal and fetal human platelet antigens can trigger FNAIT. incompatibility and assess recurrence riskRecurrence risk The chance that FNAIT will affect future pregnancies. Once a woman is sensitized, the risk of FNAIT in future pregnancies is high..