From the Times of India.
Excerpt:
Women who take oral contraceptives regularly are at a higher risk of developing breast cancer compared to others, shows a study by AIIMS doctors. Breast cancer risk was found to be 9.5 times more in women with a history of consuming such pills. Early menstruation cycle, late marriage and lower duration of breastfeeding were the other major factors responsible for the disease among Indians, according to the study published in the latest issue of the Indian Journal of Cancer.
The study was conducted on 640 women, of which 320 were breast cancer patients. “We found long-term use of oral contraceptive pills (OCP) higher among those suffering from breast cancer-11.9%-compared to healthy individuals-1.2%,” said Dr Umesh Kapil, a professor at the public health nutrition unit, AIIMS. He said breast cancer is caused by repeated exposure of breast cells to circulating ovarian hormones, and long-term use of OCPs, which contain estrogen and progesterone, may be increasing this risk by causing hormonal imbalance.
The study mostly had women who used OCPs for birth control. Emergency contraceptives, popularly called morning-after pills, were not included.
This is not the first study, nor even the second study, to confirm this link.
Birth control pills
Many studies showed that taking birth control pills caused an increased risk of breast cancer.
Study 1: (March 2003)
RESULTS: Among the youngest age group (<35 years, n = 545), significant predictors of risk included African-American race (RR = 2.66: 95% CI 1.4-4.9) and recent use of oral contraceptives (RR = 2.26; 95% CI 1.4-3.6). Although these relationships were strongest for estrogen receptor-negative (ER-) tumors (RRs of 3.30 for race and 3.56 for recent oral contraceptive use), these associations were also apparent for young women with ER+ tumors. Delayed childbearing was a risk factor for ER+ tumors among the older premenopausal women (Ptrend < 0.01), but not for women <35 years in whom early childbearing was associated with an increased risk, reflecting a short-term increase in risk immediately following a birth.
Study 2: (October 2008)
Oral contraceptive use ≥1 year was associated with a 2.5-fold increased risk for triple-negative breast cancer (95% confidence interval, 1.4-4.3) and no significantly increased risk for non-triple-negative breast cancer (Pheterogeneity = 0.008). Furthermore, the risk among oral contraceptive users conferred by longer oral contraceptive duration and by more recent use was significantly greater for triple-negative breast cancer than non-triple-negative breast cancer (Pheterogeneity = 0.02 and 0.01, respectively).
When people talk about a war on women, maybe they should be thinking about this practice of promoting behaviors to women that make them sick. And eventually, we all have to pay for the increased costs of health care when we encourage people to do things that make them sick. We should not be promoting birth control to young women in order to enable them to have recreational sex. It’s not worth the harm it causes them.
WINTERY KNIGHT 
Might be worth checking whether oral contraceptives reduces risks of other ill health though. Here is an interesting study: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2837145/ “Oral contraception was not associated with an increased long term risk of death in this large UK cohort; indeed, a net benefit was apparent. The balance of risks and benefits, however, may vary globally, depending on patterns of oral contraception usage and background risk of disease.”
Given that statement on total mortality, women might like to take the extra risk of breast cancer, to be countered by other health benefits and an enjoyable pregnancy-free sex-life.
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This is one of the many reasons I refuse to take the pill. It’s sad though… I work in a pharmacy and estimate that about 90% of women (I’m not including teenagers in this) of childbearing age take birth control. Granted, there is a medical use for taking it that has nothing to do with pregnancy, but most women are taking it to not get pregnant, obviously.
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