Yes, you can get pregnant during perimenopause. As long as you are still having periods, even irregular ones, your ovaries can release an egg, which means conception is possible. This catches many women by surprise, because perimenopause is often assumed to mean the end of fertility. This guide explains how fertility changes through your forties, why ovulation becomes unpredictable, the risks involved, and why contraception still matters. You can explore suitable options in our contraception range, all prescribed after a clinical consultation.
Table of Contents
1. Why Pregnancy Is Still Possible
2. How Fertility Changes in Your Forties
3. The Risks of Pregnancy Later in Life
4. Contraception Still Matters
5. Telling Perimenopause Symptoms From Pregnancy
6. Planning a Pregnancy in Your Forties
7.1. Can you get pregnant during perimenopause?
7.2. How long should I use contraception in perimenopause?
7.3. Is it harder to get pregnant in your forties?
Why Pregnancy Is Still Possible
Perimenopause is a transition, not an off switch. Your hormone levels fluctuate and your ovaries release eggs less regularly, but they have not stopped. Some months you may ovulate, some months you may not, and you cannot reliably tell which is which. That unpredictability is exactly why pregnancy can happen when it is least expected.
Only once you have gone a full 12 months without a period, the point of menopause, can you be confident that natural fertility has ended.
How Fertility Changes in Your Forties
Natural fertility declines with age, and the decline accelerates through the forties. The number and quality of eggs both fall, so conceiving becomes less likely and may take longer. But less likely is not the same as impossible. Plenty of women conceive naturally in their early and even late forties, which is why contraception remains relevant right up to menopause if you do not wish to become pregnant.
The Risks of Pregnancy Later in Life
Pregnancy in your forties is more likely to involve certain complications than pregnancy at a younger age. These can include:
- A higher chance of miscarriage.
- An increased risk of chromosomal conditions such as Down's syndrome.
- A greater likelihood of gestational diabetes and high blood pressure.
- A higher rate of caesarean delivery.
Many women have healthy pregnancies in their forties, and good antenatal care helps manage these risks. The point is simply that they are higher, so a later pregnancy, whether planned or not, benefits from early medical input.
Contraception Still Matters
Because pregnancy is possible, contraception is recommended until you have reached menopause. UK guidance suggests continuing contraception for two years after your last period if you are under 50, or for one year if you are over 50. Several methods suit this stage of life, and the right one depends on your health, your symptoms and your preferences. Our guide on the best contraception after 40 looks at the options in detail, and you can review them in our contraception range.
Telling Perimenopause Symptoms From Pregnancy
This is where things get confusing. A missed or late period might be perimenopause, or it might be pregnancy. Tiredness, mood changes and nausea can point to either. If there is any chance you could be pregnant and a period is late, take a pregnancy test rather than assuming it is the menopause. It is a simple step that removes the guesswork.
Planning a Pregnancy in Your Forties
Not every pregnancy in perimenopause is unplanned. Many women actively try to conceive in their forties, and while you can get pregnant during perimenopause, declining egg quality means it can take longer and may need support. If you are hoping to conceive, it is sensible to speak to your GP early, who can advise on timing, health checks and when to consider fertility services.
Preconception care matters more, not less, at this stage. Taking folic acid, reaching a healthy weight, managing any long-term conditions and stopping smoking all improve your chances and reduce risks. Early input gives you the clearest picture of your options while time is a factor.
Important: This article is general information, not personal medical advice. If you think you may be pregnant, take a test and speak to your GP. Contraception choices should be made with a clinician, who can assess what is safe for you, particularly as some options carry different risks with age. Prescription treatments are supplied only after a valid consultation. You can start a consultation where appropriate.
Frequently Asked Questions
Can you get pregnant during perimenopause?
Yes. As long as you are still having periods, even irregular ones, ovulation can occur and pregnancy is possible. Natural fertility ends only after you have gone 12 months without a period.
How long should I use contraception in perimenopause?
UK guidance suggests continuing for two years after your last period if you are under 50, or one year if you are over 50, since occasional ovulation can still happen during the transition.
Is it harder to get pregnant in your forties?
Yes. Egg number and quality decline with age, so conception is less likely and may take longer. However, it remains possible, which is why unplanned pregnancies still occur at this stage.
How do I tell perimenopause from pregnancy?
Symptoms overlap, so the only reliable way is a pregnancy test if a period is late and pregnancy is possible. Do not assume a missed period is simply the menopause.
