Wednesday, September 2, 2009

The best kept secret about the birth control pill

"Perhaps the best-kept secret of modern medicine is the link between oral contraceptives and increased breast cancer risk.

While combined oral contraceptives, better known as The Pill, rank as Group I carcinogens according to a 2005 report released by the International Agency for Research on Cancer, an arm of the World Health Organization, doctors continue to routinely prescribe the pill for a variety of conditions, ranging from acne to birth control (American Cancer Society, 2008)....

Combined oral contraceptives are composed of estrogen and progesterone or progestin, a synthetic form of progesterone. Estrogen and progesterone are female sex hormones; estrogen thickens the lining of the uterus, and progesterone/progestin prepares the endometrium for implantation of the egg. (National Cancer Institute, 2006).

The reasoning behind a combination of estrogen and progesterone/progestin is that estrogen given on its own increases the risk of uterine cancer. Taking a combination of the 2 confers protection from uterine cancer but increases breast cancer risk..." (Continued here)

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