Perimenopause, explained and connected
Understand the signals. Find the right care.
Plain-English answers on sleep, hot flashes, mood and cycles, and a directory of US practitioners who treat this stage of life.

Sources linked on every guide14,113 practitioners in 31 statesBuilt for women in the US
- 100
- evidence-based guides
- 255
- peer-reviewed studies cited
- 14,113
- US practitioners from the federal NPI registry
- 77
- products checked against certifier databases
Built on guidance from the NIH, FDA, CDC, USPSTF, ACOG and The Menopause Society. How we work
Start with what you're feeling
All symptomsSleep
Waking at 3 AM
Why it starts in perimenopause, and what helps you fall back asleep.VasomotorHot flashes and night sweats
Triggers, timing, and the treatments with the strongest evidence.MindBrain fog and anxiety
What is hormonal, what is not, and when to talk to someone.CycleIrregular or heavy periods
What counts as normal change, and the signs to get checked.BodyJoint pain and fatigue
The links to estrogen, and the habits worth trying first.Not sure where to start?
Take the 2-minute checkThe directory
Practitioners who see this stage of life
Search by city and type of care: OB-GYNs, women's health nurse practitioners, midwives, sleep doctors and endocrinologists.
Browse the directoryNew guides
All guidesBasics
How long does perimenopause last?
Perimenopause typically lasts 4 to 8 years from the first irregular cycles to the final period, and symptoms can outlast it. What US data show and what changes it.BasicsPerimenopause in your 30s: early signs and what to rule out
Cycle changes and hot flashes in your 30s can be early perimenopause, but thyroid disease, pregnancy, PCOS and primary ovarian insufficiency must be ruled out first.BasicsPerimenopause vs menopause: the difference, explained
Perimenopause is the years of hormonal change before your final period; menopause is one date, 12 months after it. How each is defined and why it matters.Every topic, one place
Browse guidesTool
Symptom check
Twelve questions, two minutes. A summary you can bring to your appointment.
Start the checkTool
Two-week sleep diary
Log when you wake and what you tried. See your pattern in plain charts.
Open the diary