Hormone replacement therapy (HRT) – Benefits and risks – NHS

When deciding whether to havehormone replacement therapy (HRT), it's important to understand the benefits and risks.

Many studies on HRTpublished over the past 15 yearshighlight the potential risks. As a result, some women and doctors have been reluctant to use HRT.

But recent evidence says that the risks of HRT are small and are usually outweighed by the benefits.

The main benefit of HRT is that it can help relieve most menopausal symptoms, such as:

HRT can also help prevent thinning of the bones, which can lead to fracture (osteoporosis). Osteoporosis is more common after the menopause.

The benefits of HRT usually outweigh the risks for most women.

The risks are usually very small, and depend on the type of HRT you take, how long you take it and your own health risks.

Speak to a GP if you're thinking about starting HRT or you're already taking it, and you're worried about any risks.

There is little or no change in the risk of breast cancer if you take oestrogen-only HRT.

Combined HRT can be associated with a small increase in the risk of breast cancer.

The increased risk is related to how long you take HRT, and it falls after you stop taking it.

Because of therisk of breast cancer, it's especially important to attend all yourbreast cancer screening appointments if you're taking HRT.

The evidence shows that:

HRT does not significantly increase the risk ofcardiovascular disease (includingheart disease andstrokes)when started before 60 years of age, and may reduce your risk.

TakingHRT tablets is associated with a small increase in the risk of stroke, but the risk of stroke for women under age 60 is generally very low, so the overall risk is still small.

Page last reviewed: 09 September 2019Next review due: 09 September 2022

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Hormone replacement therapy (HRT) - Benefits and risks - NHS