Incidence and Risk of Cytomegalovirus Infection during Pregnancy in an Urban Area of Northern Italy

Table 1

Anti-CMV IgG and IgM antibody seroprevalence (ELISA) in pregnant women by trimester of first screening (groups A–C).

		Anti-CMV Antibodies
Group	No.	IgG+IgM-	IgG+IgM+	IgG-IgM+	IgG-IgM-
A	2318	1606 (69.3%)	25 (1.1%)	0 (0%)	687 (29.6%)
B	316	184 (58.2%)	1 (0.3%)	0 (0%)	131 (41.5%)
C	183	109 (59.6%)	0 (0%)	0 (0%)	74 (40.4%)
Total	2817	1899 (67.4%)	26 (0.9%)	0 (0%)	892 (31.7%)