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- Title
Risk of Ovarian Cancer is Lessened by Childbearing, Pill Use and Hysterectomy.
- Authors
Hollander, D.
- Abstract
This article reports that childbearing, oral contraceptive use and hysterectomy appear to protect women against the risk of developing ovarian cancer, according to the findings of a case-control study conducted in Ontario. Women who used the pill for one year were one-half as likely as nonusers to have developed ovarian cancer, and those who used the method for 10 years were about one-third as likely. Researchers identified 631 women aged 35-79 years in whom histologically confirmed, primary malignant or borderline malignant epithelial ovarian tumors were diagnosed between November 1989 and October 1992. They interviewed 450 of these women approximately 12-14 weeks after diagnosis. Among all participants, the risk of ovarian cancer dropped by about 22 percent with each pregnancy regardless of the woman's age at the time of her pregnancy, her age at interview or her history of pill use. The decrease in cancer risk with each term pregnancy was also slightly greater for women who had had a hysterectomy than for those who had not.
- Subjects
ONTARIO; OVARIAN cancer; ORAL contraceptives; CHILDBIRTH; CANCER in women; CONTRACEPTIVE drugs
- Publication
Family Planning Perspectives, 1995, Vol 27, Issue 2, p94
- ISSN
0014-7354
- Publication type
Article
- DOI
10.2307/2135917