By contrast, 170 women (67.7%) exhibited HCMV serology tests with the following results: 23/170 (13.5%) women were screened only using IgG which were positive, 104/170 (61.2%) had a serology of previous HCMV infection (with both positive IgG and negative IgM), 40/170 (23.5%) were seronegative (with both negative IgG and negative IgM), and 3/170 (1.8%) had both IgG positive and IgM positive HCMV. Here, CD40LG is linked to cytomegalovirus infection.