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Talk:Harvard abortion study (view source)
Revision as of 17:59, April 24, 2007
, 17:59, April 24, 2007no edit summary
::That part should probably be rewritten. Basically it means that the women in the study who had children (parous) were 58% more likely to get progesterone negative breast cancer if they ever had an abortion, and the same women were somewhat less likely to get progesterone positive breast cancer. If I did the math right there were 442 breast cancer cases among women who ever had an abortion. 59 (13%) were progresterone negative and 92 (21%) were progesterone positive. [[User:Murray|Murray]] 13:57, 24 April 2007 (EDT)
::That part should probably be rewritten. Basically it means that the women in the study who had children (parous) were 58% more likely to get progesterone negative breast cancer if they ever had an abortion, and the same women were somewhat less likely to get progesterone positive breast cancer. If I did the math right there were 442 breast cancer cases among women who ever had an abortion. 59 (13%) were progresterone negative and 92 (21%) were progesterone positive. [[User:Murray|Murray]] 13:57, 24 April 2007 (EDT)
:::And according to [http://www.breastcancer.org] the prevalence among US women of breast cancer in general is about 1 in 8. Though to extrapolate the overall risk we'd need to know the rate of PR- breast cancer. [[User:Murray|Murray]] 13:59, 24 April 2007 (EDT)
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