HRT for perimenopause in 2026: a calm look at the evidence
Types, benefits and risks without the scare headlines. What HRT does in perimenopause, what current guidance says, and what to expect when you start.
Maybe a friend swears HRT gave her life back. Maybe you remember the scary headlines from years ago, or your mum was told never to touch it. Now you're in your forties with night sweats, low mood and patchy periods, and you're not sure whether HRT is a sensible option or a risk you shouldn't take.
HRT for perimenopause has changed a lot, and so has our understanding of it. This article explains what HRT is, the different types, the benefits, the risks in context, what to expect when you start, and the questions to ask your doctor, so you can make a decision that's right for you.
The short answer: HRT replaces the oestrogen your body is making less of, usually with a progestogen to protect your womb. It's the most effective treatment for hot flushes and night sweats, and it helps protect your bones. For most women under 60, the benefits outweigh the risks, but the right choice depends on your own health, so it's a decision to make with your doctor.
What HRT is and how it works in perimenopause
HRT (hormone replacement therapy, sometimes called MHT or menopausal hormone therapy) tops up the hormones that fall and fluctuate in perimenopause. You don't have to wait until your periods stop. You can start HRT while you're still having periods if symptoms are affecting your life.
Oestrogen. This is the main ingredient that eases symptoms. It comes as patches, gels, sprays or tablets. Patches, gels and sprays go through the skin (transdermal), which carries a lower risk of blood clots than tablets.
Progestogen. If you still have a womb, you need a progestogen alongside oestrogen, because oestrogen on its own can thicken the womb lining and raise the risk of womb cancer. Options include micronised progesterone capsules (often called body-identical), other progestogen tablets, or a hormonal coil (IUS), which also gives contraception.
Cyclical or continuous. While you're still having periods, HRT is usually given cyclically, which gives you a regular monthly bleed. Later, many women switch to continuous HRT, which aims for no bleeding.
Vaginal oestrogen. Low-dose creams, pessaries or rings treat vaginal dryness, soreness and some bladder symptoms. Very little is absorbed into the body, and it can be used alongside regular HRT or on its own.
Testosterone. NICE says testosterone can be considered for low sex drive if HRT alone hasn't helped. It's usually prescribed with specialist advice.
HRT isn't one thing. The type, dose and route you choose can change both how well it works and your risks.
Benefits of HRT for perimenopause
For many women, HRT makes a noticeable difference within a few weeks to three months. The main benefits are:
Hot flushes and night sweats. HRT is the most effective treatment for these. Our guide Perimenopause hot flushes: what's happening, and what actually helps compares it with other options.
Sleep. By reducing night sweats, HRT often improves sleep. Our guide Why you're wide awake at 3am in perimenopause explains the link.
Mood. NICE says HRT can be considered for low mood that starts around the same time as other perimenopause symptoms. It isn't a treatment for clinical depression. There's more in Perimenopause rage, tears, and everything in between.
Vaginal and bladder symptoms. HRT and vaginal oestrogen can ease dryness, discomfort during sex and some urinary symptoms.
Bones. HRT reduces the risk of osteoporosis and fractures while you take it. This benefit fades after stopping.
Many women also report fewer aches and pains and clearer thinking, often because they're sleeping better. The evidence that HRT directly improves memory is mixed, as our article Brain fog is real, and it usually lifts explains.
HRT risks, in context
Every medicine has risks, and HRT's depend on the type you take, your age and your own health. Here's what current UK guidance from NICE says.
Breast cancer. Oestrogen-only HRT (for women without a womb) is linked with little or no change in breast cancer risk. Combined HRT (oestrogen plus progestogen) can be linked with an increased risk, which rises the longer you take it and falls after you stop. Your doctor can show you what this means for someone of your age.
Blood clots. Tablet HRT increases the risk of blood clots. HRT through the skin at standard doses doesn't raise the risk above normal, which is why patches, gels and sprays are often preferred.
Stroke. Oral oestrogen is linked with a small increase in stroke risk, but transdermal oestrogen isn't. For women under 60, the starting risk of stroke is very low.
Heart disease. HRT doesn't increase the risk of heart disease when started before 60.
Womb cancer. Taking oestrogen without a progestogen raises this risk if you have a womb. Taking the right progestogen protects against it.
Dementia. HRT shouldn't be taken to prevent dementia, and NICE says its effect on dementia risk is uncertain.
HRT may not be suitable if you've had breast cancer, some types of blood clots, certain liver problems, or unexplained vaginal bleeding. If you have a history of these, you can still talk to your GP about symptoms, as there are other options and specialist advice is available.
Starting HRT: what to expect
Most women can start HRT through their GP. You usually don't need a blood test if you're over 45 with typical symptoms. Our guide How to talk to your doctor about perimenopause will help you prepare.
Early side effects. Breast tenderness, bloating, headaches, nausea and irregular bleeding are common in the first few weeks. They often settle within three months. If they don't, your doctor can adjust the type or dose.
Reviews. NICE recommends a review three months after starting, then at least once a year. Report any bleeding that continues beyond the first three months, or new bleeding after that.
Contraception. HRT isn't a contraceptive. If you're in perimenopause and could get pregnant, you'll need contraception too. A hormonal coil can do both jobs, providing contraception and the progestogen part of HRT.
How long. There's no fixed time limit. You and your doctor should review the benefits and risks each year and decide together whether to continue.
Cost. In England, an HRT prescription prepayment certificate can cover many HRT prescriptions for a year at a reduced cost.
If HRT isn't right for you, there are other options, including non-hormonal medicines for hot flushes and menopause-specific CBT.
Frequently asked questions
### 1. Can you take HRT during perimenopause?
Yes. You don't have to wait for your periods to stop. HRT can be started in perimenopause if symptoms are affecting your life. While you're still having periods, it's usually given cyclically, which gives you a regular monthly bleed. You'll still need contraception, as HRT doesn't prevent pregnancy.
### 2. Is HRT safe?
For most women under 60, the benefits of HRT outweigh the risks. Risks depend on the type, your age and your health. Patches and gels don't increase blood clot risk at standard doses, and oestrogen-only HRT has little or no effect on breast cancer risk. Talk through your own situation with your doctor.
### 3. Does HRT increase the risk of breast cancer?
It depends on the type. Oestrogen-only HRT is linked with little or no change in breast cancer risk. Combined HRT, which most women with a womb take, can slightly increase risk, and this rises with longer use and falls after stopping. Your doctor can help you weigh this against your symptoms and other risks.
### 4. What are the side effects of HRT?
Common early side effects include breast tenderness, bloating, headaches, nausea and irregular bleeding. These often settle within three months. If they don't, changing the type, dose or way you take HRT usually helps. Report any unexpected or persistent bleeding to your doctor, especially after the first three months.
### 5. How long can you stay on HRT?
There's no set time limit. Many women take HRT for several years, and some for longer. NICE recommends reviewing it at least once a year to check the benefits still outweigh the risks for you. When you decide to stop, you can do so gradually or all at once.
Your next step
HRT for perimenopause is a personal decision, and it's worth making with good information rather than old headlines. Before your appointment, write down your main symptoms, how long you've had them, and your personal and family medical history, especially any breast cancer, blood clots or strokes.
If you'd like help getting your symptoms down on paper, take our three-minute symptom check-in. You'll get a summary to take to your GP. And for calm, practical guidance in your inbox, join our weekly email: one letter a week, nothing you didn't ask for.
This article is general information, not personal medical advice. Please speak to your GP or a menopause specialist about whether HRT is right for you.
The right choice depends on your own history. A good consultation weighs your symptoms, preferences and risk factors together.
