In women, breast cancer incidence rates increased rapidly in the 1980s due to increased use of mammography and have increased gradually since that time. Yaşa göre standartize insidans hızı=yüzbinde 134 (1998-2002)

Robertson et al.9 used graphic and regression analyses to evaluate the trends in breast cancer incidence in Slovenia, and the results suggested that the increase in incidence (1971 to 1993) was mostly due to cohort effects. The researchers predicted a decrease in future incidence because more recent birth cohorts have a more favorable reproductive pattern (e.g., a lower percentage of women who are nulliparous).9