Question

Which pattern best characterises the incidence of breast cancer across a woman's lifespan?

Options

• Occurs exclusively during pregnancy and lactation

• Uniform incidence across all reproductive age groups

• Rarely seen before age 30, with incidence increasing post-menopause

• Most frequently diagnosed in women under 30 years of age

Answer 1

Breast cancer is rarely seen before age 30, and its incidence increases post-menopause. This age-dependent pattern is a defining epidemiological feature of the disease.