Iummunologic rejection of chromosomally abnormal fetuses.
D000022:Abortion, Spontaneous / Q000276:immunology*; D002869:Chromosome Aberrations / Q000276:immunology*; D025063:Chromosome Disorders; D005260:Female; D006680:HLA Antigens / Q000032:analysis; D006801:Humans; D011247:Pregnancy
D006680:HLA Antigens