[Content of alpha 2-glycoprotein, related to pregnancy, in donor blood serum]

Content of alpha 2-glycoprotein, related to pregnancy, was studied in blood of donors of different age, blood groups and its Rh factor content. Concentration of the glycoprotein was increased in the blood of aged donors; also there was a correlation with the blood groups. The Rh factor presence did not affect the alpha 2-glycoprotein concentration.