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

Table 2

Number of subsequent screenings and anti-CMV antibody seroconversions in women who were seronegative or seropositive at first screening.

Group	Screening in
	I trimester		II trimester			III trimester
	Anti-CMV		Anti-CMV			Anti-CMV
	IgG+IgM-	IgG-IgM-	IgG+IgM-	IgG-IgM-	Serconversion	IgG+IgM-	IgG-IgM-	Serconversion
A	1606	687	115 (7.2%)	374 (54.4%)	1 (0.3%)	66 (4.1%)	258 (37.6%)	1 (0.4%)
B	—	—	184	131	0 (0%)	20 (10.9%)	64 (48.9%)	0 (0%)
C	—	—	—	—	—	109	74	0 (0%)