ABSTRACT
Subfertility, especially when it is unexplained, is associated with both ovarian and endometrial cancer. However, case-controlled studies have suggested that
Epithelial tumours are most frequently associated with nulliparity, an early menarche, a late age at menopause and a high estimated number of years of ovulation. Oral contraceptive use reduces the risk
C h a p t e r 1 3
there might possibly be a link between ovarian cancer and prolonged attempts at induction of ovulation (Venn et al., 1995).
