Talking about it

Yes, she can still get pregnant

Original guidance written for MenoHealth by its editorial team. · 8 min read · Oct 2026

Medically reviewed by Karla F. Loken, DO, FACOOG on October 13, 2026

Irregular periods are not birth control. What partners need to know about fertility in perimenopause, when contraception can stop, why some questions cannot wait, and the options that also ease symptoms.

In brief

What this helps with. Pregnancy is still possible in perimenopause, so plan contraception deliberately. Irregular cycles can lead to accidental or unplanned pregnancies.
One thing to do. Ask plainly whether you have a plan for this stage.
One thing to ask. "What do you want to do about contraception, and what should I do?"

Get help now if there has been unprotected sex and pregnancy is not wanted. Emergency contraception is time-sensitive. Contact a pharmacist or clinician now. There are also online pharmacies that prescribe plan B or the equivalent.

Her periods have gone unpredictable, so the two of you have quietly stopped thinking about contraception. Nobody said "we can stop now." It just stopped being mentioned. That is a decision, and it is worth making on purpose, because every sign that made you stop belongs to perimenopause, the stage in which she can still conceive, not to menopause, the point after which she cannot.

This article is for the partner of a woman in perimenopause who still has her uterus and ovaries, where pregnancy is possible and not wanted. If her uterus has been removed, or she has gone twelve months without a period, contraception is no longer the question, though the hysterectomy section explains what still is.

Ovulation does not stop on schedule

Perimenopause is defined by cycles becoming irregular, not by cycles stopping. In the staging system clinicians use, the early transition begins when consecutive cycles vary in length by a week or more, and the late transition is marked by gaps of sixty days or more. Through all of that her ovaries can still release an egg, just not on a timetable. Bleeding does not settle the question either way, because bleeding in perimenopause often happens without ovulation, so a period is not proof that an egg was released, and a missed one is not proof that none was. That is why ACOG's patient guidance is blunt. A woman can still get pregnant during perimenopause, and irregular periods are not protection.

When pregnancy is no longer possible

Menopause is confirmed only in hindsight, after twelve consecutive months without a period. Until then, if pregnancy is not wanted, contraception is. As The Menopause Society's patient guidance puts it, contraception is needed longer than you may think. A gap of five months followed by a period resets the count.

When contraception can stop depends on her age, her method and her health, and there is no single cutoff. The CDC's practice recommendations for clinicians cover when contraceptive protection is no longer needed, and her clinician will advise based on her age and method rather than the calendar, especially if she uses a method that changes or stops her periods and the twelve-month rule is hard to read. Ask, and do not guess.

Hysterectomy is a different question

If her uterus has been removed, she cannot become pregnant, whatever her ovaries are doing, so contraception is not the question for her. What remains is separate. If her ovaries were left in place, there are no periods to mark when they reach menopause, and the symptom and treatment decisions that follow are the same as for anyone else, a conversation for her and her clinician about symptoms, not pregnancy.

Fertility falls, but it is not zero

Fertility declines with age, and by 45 a natural pregnancy is unlikely for most women. Unlikely is not impossible, and the same ACOG guidance notes that pregnancy at older ages carries more risk for her. Both facts point the same way. This deserves a plan rather than a guess, and feeling impossible is not the same as being impossible. Also pregnancies at this age often result in early miscarriages due to genetics and other factors.

Hormone therapy is not birth control

If she is using hormone therapy for symptoms, it is easy to assume it covers this too. It does not. Menopausal hormone therapy is not designed to prevent pregnancy, so she and her clinician should discuss contraception separately, ideally in the same appointment where treatment is discussed. Ask afterward whether it came up. If it did not, and neither of you is sure what you are relying on, contact a clinician or pharmacist promptly rather than wait for the next visit.

When it cannot wait

Two situations are time-sensitive. If there has been unprotected sex, or a method has failed, and pregnancy is not wanted, emergency contraception exists and works best the sooner it is used. ACOG's patient guidance explains the options, some sold at a pharmacy without a prescription, and a pharmacist or clinician can help the same day. And if either of you is unsure whether you are covered, that is itself a reason to ask now.

Options that can also help symptoms

Several methods do double duty, which is why her clinician may raise them. A hormonal IUD is one of the standard treatments for heavy menstrual bleeding as well as a long-acting contraceptive. Combined hormonal methods, meaning the pill, patch or ring, make periods more regular and lighter, and for appropriate candidates The Menopause Society notes they can also relieve hot flashes during perimenopause. Not every woman can use estrogen-containing methods, so the clinician advises and she decides. Your part is not treating "birth control" at this stage as a step backward.

A shared plan, two decisions

The options are not all on her side. Condoms are a contraceptive option, and also the only method here that lowers the risk of sexually transmitted infections, a separate question from pregnancy and one that does not end with menopause. Vasectomy is a permanent option, and ACOG's patient guidance covers what it involves. Each of you decides about your own body. Her method is her decision, whether you have a vasectomy is yours, and what you share is the plan. "I don't want you carrying this on your own. What do you want to do, and what should I be doing?" is a way in that does not push.

For some women the end of fertility is a relief. For others it is a loss, even when they did not want another child, and a partner who treats the subject as purely practical can miss that. If she goes quiet, ask "How do you feel about this part?" rather than "So, which method?"

What not to assume

Do not assume irregular periods mean she is safe. Ovulation has become unpredictable, which is the opposite of safe.
Do not assume a period proves she ovulated, or that a skipped one means menopause. Perimenopausal bleeding often happens without ovulation, and the twelve-month count restarts with any period.
Do not assume she has it covered. She may be assuming you do. Ask.
Do not assume the decision is hers alone, or yours. Each of you chooses for your own body, and you agree the plan together.

Where to start this week

Ask her, plainly, whether the two of you have a contraception plan for this stage.
Know the twelve-month rule, that any period resets the clock, and that when to stop is her clinician's call.
If you are unsure whether you are covered, call a pharmacist or her clinician this week.
Treat a method that also eases her bleeding or hot flashes as good news, not a compromise.