Studies yielding results on risk factors stratified by age at diagnosis or menopausal status
were reviewed to better understand the role of hormonal factors and to determine whether …

STUDY OBJECTIVE: To ascertain, from the published reports to date, whether or not a
significantly increased risk of breast cancer is specifically attributable to a history of induced …

Background: The observed age of menarche has fallen, which may have important adverse
social and health consequences. Increased exposure to endocrine-disrupting compounds …

Since 1976, data were collected to evaluate risk factors for breast cancer in a hospital-based
case-control study of 1185 women with breast cancer and 3227 controls. The risk of breast …

Breast and Gynecologic Cancer Epidemiology Page 1 Breast and Gynecologic Cancer
Epidemiology Authors Jennifer L. Kelsey, Ph.D. Associate Professor of Epidemiology …

In a case-control study of 1868 breast cancer patients and 3391 control patients we
searched for characteristics that predicted risk of breast cancer diagnosed before and after …

The authors report a case-control study of breast cancer based on an analysis of data
collected by interview between the years 1957–1965 from women residing in the …

Although higher relative weight is generally considered to increase the risk of breast cancer,
several case-control studies have suggested that the reverse may be true among …

We examined relative weight and height in relation to subsequent breast cancer risk among
115 534 women 30 to 55 years of age and free from cancer in 1976. By 1984, six hundred …

The relation between childbearing and breast cancer risk was investigated in a prospective
study of 63,090 Norwegian women, among whom 1,565 breast cancer cases occurred in a …