[Serodiagnosis of cytomegalovirus -- (CMV) -- infections].

Specific IgM-antibodies to cytomegalovirus had been detected by both immunofluorescence and enzyme immunoassay. Using isolated nuclei instead of whole cells nonspecific reactions could be markedly reduced. -- IgM antibodies to cytomegalovirus were found in 7% of all pregnant women studied. Congenital infections could be demonstrated almost exclusively among children borne to mothers who had specific IgM antibodies during pregnancy.