[Duffy-blood-factor incompatibility during pregnancy (author's transl)].

Routine screening of maternal antibodies showed presence of anti-Fya (from the antigen Fya of Duffy Blood Group System) in a 25 years old second time pregnant woman. The spectroscopic examination of amniotic fluid has been carried out and gave values which decrease within Zone II. In the beginning of 39. week of gestation a mature newborn has been delivered, who survived without need of exchange transfusion immediately after birth.