CD40LG and cytomegalovirus infection: ‐Testing of an at‐risk group born to mothers with serological evidence of CMV infection in pregnancy‐11,753 pregnant women CMV screened; 685 neonates born to borderline IgM‐positive mothers or IgG‐seroconverted mothers, were subsequently tested for cCMV via PCR‐11/685 tested neonates were cCMV‐positive (all asymptomatic)