Perimenopause, Menopause, Postmenopause: What's the Difference?

These three terms get used almost interchangeably in everyday conversation, but they actually describe different stages and knowing which one you're in can make conversations with a doctor a lot clearer.

Perimenopause

The transition period leading up to menopause, when hormone levels start to fluctuate. This can start years before periods actually stop, often in a woman's 40s, sometimes earlier. Symptoms like irregular cycles, changes in libido, and early GSM symptoms often begin here, not after.

Menopause

Technically, defined as 12 consecutive months without a period. It's a marker, not a phase you stay in. The average age of menopause in the U.S is 52[1]

Postmenopause

Everything after that point. UC Davis suggests that Postmenopause is the stage following menopause. It can last until the end of life. Although most menopausal symptoms lessen during this stage, mild ones may persist for several years. When you’re in postmenopause, you face a greater risk of osteoporosis and heart disease because of low estrogen levels. [2]

Why It Matters

A lot of women assume symptoms like dryness or discomfort only start “after menopause.” In reality, many begin during perimenopause, sometimes years earlier than expected. If something feels off, your age or period status isn't the deciding factor for whether it's worth mentioning to a doctor.

This page is general guidance, not medical advice. A gynaecologist, general practitioner, or pelvic floor physical therapist can give you an assessment specific to you.