Regarding Breast Cancer, All of the Following Are Correct EXCEPT

Regarding breast cancer, all of the following are correct EXCEPT:

A) The incidence increases steadily with age.
B) Approximately 75% of all cases are diagnosed in postmenopausal women.
C) The lifetime risk is 1 of 8 for women living into their 80s.
D) The disease is uncommon in women younger than 40 years of age.
E) It is the most common cancer during pregnancy