Two periods in one month in perimenopause
Why periods can come twice a month in your 40s, how short cycles fit perimenopause, what else causes it, and which signs mean you should see a doctor soon.
Nora Whitfield
Perimenopause symptoms and tracking
About
Nora Whitfield
Perimenopause symptoms and tracking
Nora Whitfield writes Peri Signals' guides to perimenopause symptoms, period changes and keeping a symptom record. She works from NHS, ACOG, NICE, MedlinePlus and peer-reviewed studies, links each one where it is used, and leaves treatment decisions to readers and their doctors.
Last checked 2026-11-01
What Nora Whitfield covers
- perimenopause symptoms
- period and bleeding changes
- symptom tracking
- preparing for a doctor's appointment
How this byline works
Sources reached for first: NHS, ACOG and NICE guidance pages, MedlinePlus, peer-reviewed studies.
What you will notice in the writing:
- opens with the plain answer, then the nuance
- turns a vague worry into something you can write down and count
- says when a symptom is worth a call to the doctor, without alarm
What this byline never does:
- treatment or supplement advice
- the word strong for symptom severity
- first-hand stories she could not have lived
- scare language about cancer
Every article on Peri Signals links the health guidance it relies on, and none gives treatment advice. The rules are in our editorial policy. If you spot a mistake in anything signed Nora Whitfield, send the page and the source and it will be checked and corrected.
Recent articles
All articles
Perimenopause or thyroid? Telling symptoms apart
Tiredness, weight gain, low mood and period changes fit both perimenopause and a thyroid problem. The clues that point one way, and when a thyroid test is used.
PMDD or perimenopause? How to tell mood symptoms apart
PMDD and perimenopause both bring irritability, low mood and anxiety. How timing against your cycle tells them apart, and why PMDD can get worse in your 40s.
Spotting between periods in perimenopause
Is spotting normal in perimenopause? Why light bleeding between periods happens in your 40s, the other causes, and when to report it to a doctor.
Heavy periods and blood clots in perimenopause
When heavy bleeding, flooding and clots in perimenopause are expected, the measurable signs that a period is too heavy, and when to see a doctor.
Irregular periods in perimenopause
How cycles change in perimenopause: periods closer together, longer periods, skipped months and long gaps, what is expected, and which changes to report.