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The menopause is when a woman stops having periods and is no longer able to get pregnant naturally.
Periods usually start to become less frequent over a few months or years before they stop altogether. Sometimes they can stop suddenly.
The menopause is a natural part of ageing that usually occurs between 45 and 55 years of age, as a woman's oestrogen levels decline. In the UK, the average age for a woman to reach the menopause is 51.
However, around 1 in 100 women experience the menopause before 40 years of age. This is known as premature menopause or premature ovarian insufficiency.
Most women will experience menopausal symptoms. Some of these can be quite severe and have a significant impact on your everyday activities.
Common symptoms include:
Menopausal symptoms can begin months or even years before your periods stop and last around four years after your last period, although some women experience them for much longer.
Read more about the symptoms of the menopause .
It's worth talking to your doctor if you have menopausal symptoms that are troubling you or if you're experiencing symptoms of the menopause before 45 years of age.
Your doctor can usually confirm whether you are menopausal based on your symptoms, but a blood test to measure your hormone levels may be carried out if you're aged 40 to 45.
Blood tests may also be carried out to help diagnose suspected premature menopause if you’re under 40 and have menopausal symptoms.
Read more about how your doctor can help during the menopause.
Your doctor can offer treatments and suggest lifestyle changes if you have severe menopausal symptoms that interfere with your day-to-day life, including:
Your doctor can refer you to a menopause specialist if your symptoms don't improve after trying treatment or if you're unable to take HRT.
Read more about treating the menopause .
The menopause is caused by a change in the balance of the body's sex hormones, which occurs as you get older.
It happens when your ovaries stop producing as much of the hormone oestrogen and no longer release an egg each month.
Premature or early menopause can occur at any age, and in many cases, there's no clear cause.
Sometimes it's caused by a treatment such as surgery to remove the ovaries (oophorectomy), some breast cancer treatments, chemotherapy](/condition/chemotherapy/definition) or radiotherapy , or it can be brought on by an underlying medical condition, such as Down's syndrome or [Addison's disease .
Most women will experience some symptoms around the menopause. The duration and severity of these symptoms varies from woman to woman.
Symptoms usually start a few months or years before your periods stop, known as the perimenopause, and can persist for some time afterwards.
On average, most symptoms last around four years from your last period. However, around 1 in every 10 women experience them for up to 12 years.
If you experience the menopause suddenly rather than gradually – for example, as a result of cancer treatment – your symptoms may be worse.
The first sign of the menopause is usually a change in the normal pattern of your periods.
You may start having either unusually light or heavy periods .
The frequency of your periods may also be affected. You may have one every two or three weeks, or you may not have one for months at a time.
Eventually, you'll stop having periods altogether.
About 8 in every 10 women will have additional symptoms for some time before and after their periods stop.
These can have a significant impact on daily life for some women.
Common symptoms include:
The menopause can also increase your risk of developing certain other problems, such as weak bones (osteoporosis) .
See your doctor if you're finding your symptoms particularly troublesome, as treatments are available. Read about how to manage symptoms of the menopause .
Not all women want treatment to relieve symptoms of the menopause , but treatments are available if you find the symptoms particularly troublesome.
The main treatment for menopausal symptoms is hormone replacement therapy (HRT) , although other treatments are also available for some of the symptoms.
HRT involves taking oestrogen to replace the decline in your body's own levels around the time of the menopause. This can relieve many of the associated symptoms.
HRT has been out of favour since the early 2000s because of a link with breast cancer, but new guidelines from the National Institute for Health and Care Excellence (NICE) say that HRT is effective and should be offered to women with menopausal symptoms, after discussing the risks and benefits.
There are two main types of HRT:
HRT is available as tablets, skin patches, a gel to rub into the skin or implants.
HRT is extremely effective at relieving menopausal symptoms, especially hot flushes and night sweats, but there are a number of side effects, including breast tenderness, headaches and vaginal bleeding. It's also associated with an increased risk of blood clots](/condition/thrombosis) and [breast cancer in some women.
HRT is not advisable for some women, such as those who have had certain types of breast cancer or are at high risk of getting breast cancer.
Your doctor can give you more information about the risks and benefits of HRT to help you decide whether or not you want to take it.
Read more about HRT .
If you experience hot flushes and night sweats as a result of the menopause, simple measures may sometimes help, such as:
If the flushes and sweats are frequent or severe, your doctor may suggest taking HRT.
If HRT isn't suitable for you, or you would prefer not to have it, your doctor may recommend other medications that can help, such as clonidine (a high blood pressure medicine) or certain antidepressants .
These medications can cause unpleasant side effects, so it's important to discuss the risks and benefits with your doctor before starting treatment.
Some women experience mood swings, low mood and anxiety around the time of the menopause.
Self-help measures such as getting plenty of rest, taking regular exercise and doing relaxing activities such as yoga and tai chi may help. Medication and other treatments are also available, including HRT and cognitive behavioural therapy (CBT) .
CBT is a type of talking therapy that can improve low mood and feelings of anxiety. Your doctor may be able to refer you for CBT or recommend self-help options such as online CBT courses.
Antidepressants may help if you've been diagnosed with depression .
It's common for women to lose interest in sex around the time of the menopause, but HRT can often help with this. If HRT isn't effective, you might be offered a testosterone supplement.
Testosterone is the male sex hormone, but it can help to restore sex drive in menopausal women. It’s not currently licensed for use in women, although it can be prescribed by a doctor if they think it might help.
Possible side effects of testosterone supplements include acne and unwanted hair growth .
Read more about loss of libido and female sexual problems.
If your vagina becomes dry, painful or itchy as a result of the menopause, your doctor can prescribe oestrogen treatment that's put directly into your vagina as a pessary, cream or vaginal ring.
This can safely be used alongside HRT.
You'll usually need to use vaginal oestrogen indefinitely, as your symptoms are likely to return when treatment stops. However, side effects are very rare.
You can also use over-the-counter vaginal moisturisers or lubricants in addition to, or instead of, vaginal oestrogen.
Read more about vaginal dryness and sex after the menopause.
Women who have been through the menopause are at an increased risk of developing osteoporosis (weak bones) as a result of the lower level of oestrogen in the body.
You can reduce your chances of developing osteoporosis by:
Read more about menopause and bone health and preventing osteoporosis .
Premature menopause, also known as premature ovarian insufficiency, is when a woman experiences the menopause before the age of 40.
The two main treatments for early menopause are HRT and the combined contraceptive pill , as they both contain oestrogen and progestogen.
These treatments can help to relieve troublesome menopausal symptoms and reduce the risk of problems such as osteoporosis.
Your doctor will normally recommend continuing treatment until at least around the time of natural menopause (45 to 55 years of age).
If you're having treatment for your menopausal symptoms, you'll need to return to your doctor for a follow-up review after three months, and once a year after that.
During your reviews, your doctor may:
Many women will need treatment for a few years, until most of their menopausal symptoms have passed.
Important: Our website provides useful information but is not a substitute for medical advice. You should always seek the advice of your doctor when making decisions about your health.