Long term hormone replacement therapy with estradiol alone is linked to breast cancerBMJ 2007; 334 doi: https://doi.org/10.1136/bmj.39072.686331.DE (Published 04 January 2007) Cite this as: BMJ 2007;334:3434
Research question What are the risks of breast cancer associated with different types of oestrogen only hormone replacement therapy?
Answer Women who use oral or transdermal estradiol for more than five years have a higher risk of breast cancer than the general population.
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