Kris: Here is one reference I had handy concerning uterine cancer. Brock, K. E., "Sexual Reproductive, and Contraceptive Risk Factors for Carcinoma-in-Situ of the Uterine Cervix in Sidney," Med. Journal of Australia,1989 For ovarian cancer: Schneider, A. P. "Risk Factor for Ovarian Cancer." New England Jounal of Medicine, 1987. Pam Wiggins, IBCLC, Franklin, VA.