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A study on the role of oral
contraceptives in the cause of inflammatory bowel disease, published in the
American Journal of Gastroenterology, found that women who use the pill are one
and a half times more likely to develop Crohn's disease (CD) or ulcerative
colitis (UC) than women who have not used oral contraceptives.
The research by doctors at the Gastroenterology Unit of St. Mary's Hospital,
Imperial College, and the Department of Surgery of St. Mark's Hospital, London,
reported that a total of 75,815 patients were involved in the study of the
etiology of UC and CD between 1983 and 2007. Of these women, 36,797 used the
oral contraceptive pill (OCP) and 39,018 did not.
The report stated that the relative risk of developing Crohn's disease
increased with a prolonged exposure to the OCP.
Whereas the overall average of
increased risk was 1 1/2 times, the relative risk of developing CD for a woman
who has used the pill for three years increases to almost 3.5 times.
This study has also shown that the risk associated with OCP exposure was
reversed to that of the non-exposed population after stopping the use of the
drug.
The adjustment of the results for smoking was an important aspect of this
analysis, since it was found that smokers are more likely to take the OCP, and
oral contraceptive users have been reported as more likely to smoke. The
adjustments for smoking increased the relative risk of CD and decreased the risk
of UC.
The study also suggested that a reduction in the estrogen and progesterone
dosages in OCPs over the last two decades has not reduced the relative risk of
inflammatory bowel disease in women who use the contraceptive pill.
An abstract of the study is available here: http://www.nature.com/ajg/journal/v103/n9/abs/ajg2008475a.ht...
Related:
Birth Control Pill May Cause Prostate Cancer and Bladder Disease in Mothers'
Children
http://www.lifesitenews.com/ldn/2005/may/05050411.html
Birth Control Pill Raises Heart Attack Risk 100%
http://www.lifesitenews.com/ldn/2005/jul/05071207.html
Massive Study Finds the Pill Significantly Increases Cancer Risk if Used more
than Eight Years
http://www.lifesitenews.com/ldn/2007/sep/07091306.html
Birth Control Pill Linked to Hardening of the Arteries
http://www.lifesitenews.com/ldn/2008/apr/08040807.html
[13March09, T.M. Baklinski, LONDON, UK, www.LifeSiteNews.com]
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Birth Control 
