When does menopause start?

Which point on the timeline do you mean?

More columns are available. Swipe left to see them.

If your main question is where you are in the process, compare perimenopause, menopause, and postmenopause.

Is my timing outside the expected range?

Use the age bands as a reason to ask a question, not as a prediction.

• About 45 to 55: a common age range for natural menopause. Symptoms that affect daily life still deserve treatment, even when the timing is typical.
• 40 to 44: menopause in this range is called early menopause. Evaluation matters because a longer time with lower estrogen can affect bone and cardiovascular health.
• Before 40: absent or irregular periods may signal POI. Ovarian activity can be intermittent with POI, so pregnancy may still be possible and the diagnosis uses more than one symptom or test.
• Later than 55: later menopause can occur, but continued or changing bleeding still needs routine gynecologic assessment rather than being attributed to age.

Read what early menopause can mean if your periods stopped or became persistently irregular before 45.

What can shift the timeline?

Family history and health history offer clues about timing. No blood test, including anti-Müllerian hormone (AMH), reliably predicts an individual's exact menopause age.

Factors that may make menopause earlier include cigarette smoking, removal of both ovaries, some chemotherapy or pelvic radiation, and some family or genetic factors. The effect of a treatment depends on the medicine, dose, age, and ovarian reserve.

Family history can offer context, not a calendar. The age at which a mother or sister reached menopause does not determine yours.

Symptoms do not run on a fixed schedule. Hot flashes may start while periods are regular, while some people have few symptoms before the final period.

Four situations that make the date harder to read

Hormonal contraception

Pills, injections, implants, and hormonal IUDs can alter or suppress bleeding. A missing period while using them does not by itself establish menopause. Do not stop contraception based on symptoms or one home test; ask when and how to reassess pregnancy prevention.

Hysterectomy

If the uterus was removed but one or both ovaries remain, periods cannot mark the transition. Symptoms, age, surgical details, and selective testing may help. Removing the uterus alone does not cause immediate surgical menopause.

Removal of both ovaries

Removing both ovaries causes an abrupt menopause, regardless of age. Symptoms and long-term health planning can differ from a gradual natural transition.

Chemotherapy or radiation

Periods may stop temporarily or permanently. Ask the treatment team about ovarian function, contraception, fertility goals, bone health, and symptom treatment rather than assuming the first missed period is permanent menopause.

What to bring to an appointment

Write down:

• period dates and flow changes over the past 6 to 12 months;
• hot flashes, sleep, mood, vaginal, urinary, or sexual symptoms;
• pregnancy possibility and contraception;
• operations involving the uterus or ovaries;
• cancer treatments and current medicines; and
• your mother's or sisters' menopause timing, if known.

Testing is most useful when it answers a specific question—such as pregnancy, thyroid disease, or loss of ovarian function at a younger age. Learn what menopause hormone tests can and cannot show.