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Definition of Hormone replacement therapy

Hormone replacement therapy (HRT) has become the standard treatment for relieving the symptoms associated with the menopause.  Most women take a combination of oestrogen and progestogen (a synthetic form of the hormone progesterone), although oestrogen-only and progestogen-only forms of HRT are also available.

The progestogen is added to protect against cancer of the womb (uterus), as there is an increased risk of the condition with oestrogen-only HRT.  However, oestrogen alone may be prescribed to women who have had a hysterectomy (surgical removal of the womb).