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OCs not linked to increased breast cancer risk. (Current or Former Users).
Current or past use of oral contraceptives did not significantly increase breast cancer risk in a large population-based case-control study.
That finding, along with those of previous studies, provides "further reassurance that OC use, even for a long period," is not linked to breast cancer risk, Dr. Nancy E. Davidson and Dr. Kathy J. Helzlsouer of Johns Hopkins University, Baltimore, said in an editorial accompanying the study (N. Engl. J. Med., 346[26]:2078-79, 2002).
Investigators in the Women's Contraceptive and Reproductive Experiences (CARE) study interviewed 4,575 women with breast cancer and 4,682 control women without the disease. The study participants, aged 35-64 years, were interviewed multiple times between 1994 and 1998--some 30 years after oral contraceptives were introduced in the United States and long enough for breast cancers to start appearing in the study cohort.
Compared with women who never used OCs, current users had the same risk of developing breast cancer (odds ratio of 1.0), and previous users had a slightly lower risk (odds ratio of 0.9). Risk did not increase with duration of use or estrogen dosage, reported Polly A. Marchibanks, Ph.D., of the Centers for Disease Control and Prevention, Atlanta, and her associates (N. Engl. J. Med. 346[26]:2025-32, 2002).
More than 2,500 participants in the study had started using OCs before age 20; their risk for breast cancer was similar to that of women who started OCs later in life, she said.
Older women--aged 45-64 years--had a small but significant decrease in their relative risk for breast cancer if they had ever used OCs.
Overall, 35% of participants in the current study were black and the rest were white; OC use did ...
- No link found between OCs and breast cancer.
- Magazine article from: Contraceptive Technology Update September 1, 2002 700+ words
No link found between OCs and breast cancer Be sure to include the following...counseling on oral contraceptives (OCs): Women who have taken the Pill...lives are no more likely to develop breast cancer between the ages of 35 and 64 than...
- Risk/Benefit Considerations for Hormonal Therapy: OCs and HRT.
- Magazine article from: Family Practice News January 15, 2001 700+ words
...today," he noted. OCs and Cancer Risk...Hormonal Factors in Breast Cancer [Contraception...current users of OCs had about a 1.24 increased risk for breast cancer diagnosis, Dr Mishell...increased risk for breast cancer diagnosis in current...The estrogen in OCs ...
- Family History Of Breast Ca: Don't Use OCs.(Brief Article)(Statistical Data...
- Magazine article from: Family Practice News BAKER, BARBARA February 1, 2000 700+ words
...regarding appropriate breast cancer screening," said...Rochester, Minn. OCs have been weakly...increased risk of breast cancer in the general population...risk of developing breast cancer compared to those who had nor used OCs. Women who had...
- More on 'the pill' and breast cancer.(Dutch study links oral contraceptives in...
- Newspaper article from: Medical Update April 1, 1995 700+ words
...double the risk of breast cancer before age 36. Also...46-54 who had used OCs 12 or more years had...women who had used OCs four or more years...had a higher risk of breast cancer than those who had used OCs continuously during...
- Study examines OC-breast cancer risk.
- Magazine article from: Contraceptive Technology Update January 1, 2001 700+ words
...examined 426 families of breast cancer patients suggests...oral contraceptives (OCs) and also have a...degree relative with breast cancer may be at particularly...reassurance that use of OCs does not impact breast cancer risk, notes Andrew...
- Oral Contraceptives and the Risk of Breast Cancer.
- Magazine article from: OB/GYN Clinical Alert December 1, 2000 700+ words
...identified with breast cancer from 1944 to 1952...who had ever used OCs had a relative risk...exogenous hormones are OCs and the subjects...of women who had breast cancer roughly 50 years...very low-dose OCs to women with a family history of breast cancer. But I ...
- The latest studies in breast cancer and oral contraceptives.
- Magazine article from: The Network News March 1, 1989 700+ words
...Latest Studies in Breast Cancer and Oral Contraceptives...contraceptives (OCs) were introduced...quarters of women with breast cancer have no risk factors...adverse effect of OCs is increased risk...doctors are dispensing OCs to ever-younger...danger of developing ...
- Using OCs Until Age 52 Is Good Preventive Medicine.(oral contraceptives)
- Magazine article from: Family Practice News JANCIN, BRUCE July 15, 1999 700+ words
...Internal Medicine. "I think OCs are as beneficial to reproductive...the numerous benefits of using OCs until age 52 a documented 60...pregnancy. Beneficial effects of OCs upon the breast include fewer...Concerns about a possible increased breast cancer risk have been overblown. If...