Perimenopause Guides

Clear, evidence-first guides to the years before menopause β€” staging, symptoms, testing and treatment.

11Guides
Perimenopause Weight Gain β€” and Why the Scale MisleadsPerimenopause Guides

Perimenopause Weight Gain β€” and Why the Scale Misleads

13 min read Β· 6 Aug 2026

11 Guides

Perimenopause Weight Gain β€” and Why the Scale MisleadsPerimenopause

Perimenopause Weight Gain β€” and Why the Scale Misleads

Total weight gain doesn't accelerate in perimenopause. What changes is composition: fat gain roughly doubles while lean mass starts to fall.

13 min read
Perimenopause Test: What Bloodwork Can and Can't Tell YouPerimenopause

Perimenopause Test: What Bloodwork Can and Can't Tell You

For most women over 45, no blood test confirms perimenopause. Why the measurement fails, what answers the question instead, and when testing is worth it.

12 min read
Perimenopause Treatment Options, Ranked by EvidencePerimenopause

Perimenopause Treatment Options, Ranked by Evidence

Hormone therapy, non hormonal prescriptions, two newly approved drugs and what lifestyle change really does β€” each with its evidence level attached.

17 min read
Perimenopause Diet: What Food Can and Can't ChangePerimenopause

Perimenopause Diet: What Food Can and Can't Change

Food won't reliably stop hot flashes. But bone, cholesterol and muscle all shift during this specific window β€” and that is where eating genuinely counts.

17 min read
Perimenopause Vitamins and Supplements: What Holds UpPerimenopause

Perimenopause Vitamins and Supplements: What Holds Up

Which nutrients genuinely matter during the menopause transition, and which popular supplements the evidence does not support β€” with the trial numbers.

17 min read
Perimenopause ICD-10 Code: N95.1 and What It ExcludesPerimenopause

Perimenopause ICD-10 Code: N95.1 and What It Excludes

No ICD 10 CM code is named perimenopause. N95.1, "Menopausal and female climacteric states," is the code used β€” plus the Excludes1 rules that govern it.

10 min read
Perimenopause vs Menopause: The Four Stages ExplainedPerimenopause

Perimenopause vs Menopause: The Four Stages Explained

Premenopause, perimenopause, menopause, postmenopause β€” what each word means, where they overlap, and why menopause is a single day rather than a phase.

13 min read
How Long Perimenopause Lasts β€” and Why Answers DifferPerimenopause

How Long Perimenopause Lasts β€” and Why Answers Differ

The transition averages about four years. Frequent hot flashes run a median of 7.4 years. Two different measurements β€” and why both numbers are right.

13 min read
Perimenopause Symptoms: What's Actually Linked to ItPerimenopause

Perimenopause Symptoms: What's Actually Linked to It

A perimenopause symptom checklist ordered by how much each sign actually tells you β€” starting with the cycle length change that defines the transition.

16 min read
Perimenopause Age Range: When It Starts and Why It VariesPerimenopause

Perimenopause Age Range: When It Starts and Why It Varies

Most women begin the transition between 45 and 55, but onset from the mid 30s to the mid 50s is documented. The real range, and both ends of it.

14 min read
What Is Perimenopause? The Definition, Stages and SignsPerimenopause

What Is Perimenopause? The Definition, Stages and Signs

Perimenopause is the transition to menopause β€” and it doesn't end at your last period. The clinical definition, the stages, and the thresholds to check.

16 min read

About Perimenopause

Readers here learn to place themselves against a real staging framework rather than a symptom list, to read a lab result for what it can establish, and to arrive at a clinical conversation with better questions. Begin with the pillar guide below, then follow the links to your specific question.

Perimenopause is a defined clinical stage, not a vague label for feeling unwell in midlife. These guides start from the published staging criteria and work outward: the typical age range, how long the transition lasts, and how it differs from menopause itself β€” a distinction that everyday language blurs and that matters for what you do next.