MICA and gestational diabetes: The present study was designed to (i) determine and characterize the occurrence of anti-HLA and anti-MIC-A antibodies in a cohort of women during pregnancy and after delivery in prospectively and longitudinally collected sera using a sensitive and antibody specific bead-array based solid phase assay system (ii) analyse anti-HLA and anti-MIC-A alloreactivity in uneventful pregnancies as compared to pregnancies complicated by PE or GDM, (iii) test associations of anti-HLA and anti-MIC-A antibodies with fetal pregnancy outcomes.