Mammographic Breast Density Patterns in Asymptomatic Mexican Women

Table 3

Breast density, and age distribution.

Age; (years)	Patterns				Total
	Fat	Fibroglandular	Heterogeneously dense	Dense
40–45	19	17	7	9	52
46–50	25	26	4	10	65
51–55	53	25	0	3	81
56–60	35	11	3	3	52
61–65	23	4	1	0	28
66–70	11	4	1	0	16
71–77	4	0	1	1	6
Total	170 (56.7%)	87 (29%)	17 (5.7%)	26 (8.6%)	300