Original Contribution Timing of Menarche and First Full-Term Birth in Relation to Breast Cancer Risk

1 Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA. 2 Department of Preventive Medicine, Keck School of Medicine and Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA. 3 Division of Reproductive Health, Centers for Disease Control and Prevention, Atlanta, GA. 4 Center for Clinical Epidemiology and Biostatistics and Department of Biostatistics and Epidemiology, School of Medicine, University of Pennsylvania, Philadelphia, PA. 5 Division of Hematology and Oncology, Karmanos Cancer Institute, Wayne State University, Detroit, MI. 6 Department of Pathology, Keck School of Medicine and Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA. 7 Department of Nutrition, Faculty of Medicine, University of Oslo, Oslo, Norway. 8 Department of Obstetrics and Gynecology, Baystate Medical Center, Springfield, MA. 9 Retired. Formerly Contraception and Reproductive Branch, Center for Population Research, National Institute of Child Health and Human Development, Bethesda, MD.