Table 1.

CMV IgG and IgM prevalence estimates (weighted) by age among 5,992 women from the NHANES national survey^a

Age of women (yr)	No. tested	% positive for:
		CMV IgG	CMV IgM
12–19	1,525	47.3	2.6
20–29	1,643	54.4	4.5
30–39	1,616	59.7	2.3
40–49	1,208	69.8	2.4
Total	5,992	57.9	3.0

^aThree of the IgM⁺ sera were IgG⁻; the rest were IgG⁺.