Reference Guide

The Perimenopause & Menopause Guide

A structured walk through the whole transition — read top to bottom, or jump to the page you need. Clear, evidence-aware, and written to make the biology behind your symptoms make sense.

8 chapters About 53 min to read in full

The Vela Lume Map

Navigating the Menopause Journey: Hormones & Stages

Menopausal355160Age0100200300400Estrogen & progesterone cycle
Estrogen (cyclical → erratic) ProgesteroneIllustrative for education — individual levels vary widely.
Pre
Peri
Meno
Post
35yo42yo50yo55yo65yo

While the trajectory is common, every woman's timeline and experience are unique.

Age 35 – 42

Premenopause

Peak cycle stability

The years preceding the shift. Consistent ovarian function and regular menses, with only subtle changes in baseline hormone levels.

  • Regular ovulation
  • Predictable cycles
  • Stable baseline
Age 42 – 51

Perimenopause

The hormonal rollercoaster

A period of erratic hormone levels — the core transition phase, with increased symptom intensity and variety.

  • Hot flashes & night sweats
  • Sleep fragmentation
  • Cognitive lapses (brain fog)
  • Metabolic changes
Age 51

Menopause

The stabilization point

Marked by 12 consecutive months without a period. Natural hormone production reaches its minimum, though symptoms can persist.

  • 12 months no menses
  • Minimal ovarian output
Age 55+

Postmenopause

Focus on long-term health

The period following the final menses. Hormone levels remain low and stable, and long-term health maintenance becomes key.

  • Bone density
  • Cardiovascular
  • Vaginal comfort
  • Skin & muscle
  • Cognitive
  1. Perimenopause & menopause: the age it actually happens1
    Age 6 min

    Perimenopause & menopause: the age it actually happens

    When the transition typically starts, the average age of menopause, and what early or late timing can mean.

    Read this chapter
  2. The stages of menopause: perimenopause to postmenopause2
    Stages 6 min

    The stages of menopause: perimenopause to postmenopause

    Three stages, very different bodies. A simple map of what is happening in each — and what to expect.

    Read this chapter
  3. What is actually changing in your body during menopause3
    Pathophysiology 7 min

    What is actually changing in your body during menopause

    The biology behind the symptoms — how declining estrogen reaches from your thermostat to your brain and bones.

    Read this chapter
  4. Perimenopause & menopause: signs and symptoms4
    Symptoms 7 min

    Perimenopause & menopause: signs and symptoms

    More than hot flashes. A plain-language survey of the most common — and most under-recognised — symptoms.

    Read this chapter
  5. Menopause treatment options, compared5
    Treatments 8 min

    Menopause treatment options, compared

    Hormone therapy, non-hormonal medications, and lifestyle support — what each does and who tends to benefit.

    Read this chapter
  6. How menopause is actually diagnosed6
    Diagnosis 6 min

    How menopause is actually diagnosed

    Usually no tests needed — and why that surprises women. What a diagnosis does and does not require.

    Read this chapter
  7. How long perimenopause and menopause actually last7
    Duration 6 min

    How long perimenopause and menopause actually last

    How long symptoms tend to run, why some women carry them longer, and what to expect at each stage.

    Read this chapter
  8. Menopause lab results and hormone tests, explained8
    Lab Results 7 min

    Menopause lab results and hormone tests, explained

    FSH, estradiol, AMH, thyroid — what each result actually means (and the number that usually does not matter).

    Read this chapter

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