You are here: 
A-|A|A+

HRT and cancer

There is strong evidence that using hormone replacement therapy (HRT) raises a woman’s risk of breast, ovarian and uterine cancers. At the same time, it may lower the risk of colorectal cancer.

HRT and breast cancer

Combined HRT for menopause is a known cause of breast cancer, mainly in women who recently used or are still using the therapy. There is also some evidence suggesting that estrogen-only HRT may also increase the risk of breast cancer.

HRT and ovarian cancer

Studies suggest that both combined and estrogen-only HRT increase a woman’s risk of ovarian cancer – but the risk is low.

HRT and uterine cancer

Research shows that using estrogen-only HRT increases the risk of uterine cancer.

HRT and colorectal cancer

Some studies suggest that users of combined or estrogen-only HRT may have a lower risk of colorectal cancer, while others do not. HRT is not recommended to prevent colorectal cancer.


Explore related articles

HRT after cancer
Alternatives to HRT
Where do hormones come from?

Continue reading

A-|A|A+