A new study published in the Journal of the National Cancer Institute comments on exposure to fertility drugs, which have been known to elevate estrogen levels, and whether or not use of these drugs resulted in a pregnancy lasting at least 10 weeks. According to Dr. Chunyuan Fei and his team of colleagues from the USA National Institute of Environmental Health Sciences (NIEHS): "women using fertility drugs who did not conceive a 10-plus week pregnancy were at a statistically significant reduced risk of breast cancer compared to non-users." Conversely however, "women using the drugs who conceived a 10-plus week pregnancy had a statistically significant increased risk of breast cancer compared to unsuccessfully treated women."
To read more about this study, click here.
Study mentioned: Fei, C., Deroo, LA., Sandler, DP, & Weinberg, CR. Fertility drugs and young-onset breast cancer: Results from the two sister study. J Natl Cancer Inst. 2012 Jul 6 [Epub ahead of print].
PMID 22773825
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