Diagnosing breast cancer in women under 40 years old is more difficult, because their breast tissue is generally denser than in older women. By the time a lump in a younger woman's breast can be. Jul 09, · Breast Cancer in Young Women Most breast cancers are found in women who are 50 years old or older, but breast cancer also affects younger women. While breast cancer diagnosis and treatment are difficult for women of any age, young survivors may find it overwhelming.
Young women being treated for breast cancer may be concerned about loss of fertility. Chemotherapy can damage the ovaries. Both chemotherapy and tamoxifen can cause irregular periods or stop periods altogether. They both also tend to bring on natural menopause earlier than normal, especially in women who are older than 40 during treatment [ ]. Mar 17, · Breast cancer affects young women in many ways - from diagnosis and treatment to fertility and concerns for children, family and friends. Breast cancer is less common in younger women (under the age of 45) than in older women, so being diagnosed at this age can be very isolating.