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Menopause · Updated 2026-05-15

Stages of menopause: a complete timeline

Written byEditorial Team, HormonalHealth PortalReviewed byEditorial Medical Review, MD, NAMS-CMP· Updated May 15, 2026

Short answer: Menopause unfolds in 3 stages: perimenopause (cycles change, can last 5-10 years), menopause (12 consecutive months without period), and postmenopause (everything after).

1 min read

Key takeaways

  • Perimenopause typically starts mid-40s and lasts 5-10 years
  • Menopause is officially diagnosed after 12 cycle-free months
  • Postmenopause carries its own risks — cardiovascular and bone density

Perimenopause

Begins anywhere from late 30s through mid-50s. Estrogen fluctuates wildly. Hot flashes, sleep changes, brain fog, and cycle irregularity are common. Most women spend 5-10 years here.

Menopause

The day marking 12 consecutive months without menstruation. Average age in the US: 51. Surgical menopause (after oophorectomy) can occur at any age.

Postmenopause

Everything after menopause day. Symptoms can persist 5-10+ years. Bone density loss accelerates first few years. Cardiovascular risk profile changes.

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Reviewed by Editorial Medical ReviewBoard-certified OB/GYN · NAMS-certified · Updated 2026-05-15

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