Perimenopausal Bleeding

Perimenopausal Bleeding

“Your menstrual cycle could become longer
or shorter than usual.
Your bleeding could also be heavier or lighter than normal”.1

Umbrella

What may the Perimenopausal Bleeding Umbrella include?

Depending on the Source (DotS) this Umbrella may include:

  • Abnormal Uterine Bleeding (AUB)
  • Perimenopausal Bleeding/Menstrual Cycle

Perimenopause

What is perimenopause?

DotS the definition of perimenopause may vary. In Menopause: Key Facts the World Health Organization’s definition is:

  • “The menopausal transition can be gradual, usually beginning with changes in the menstrual cycle. Perimenopause refers to the period from when these signs are first observed and ends one year after the final menstrual period”.2

Perimenopause Periods

What may perimenopause periods be like?

In Menopause: How Do You Know You Are In Perimenopause? the (Australian) Jean Hailes for Women’s Health (JH) explain on:

“The most reliable sign you are in perimenopause (or you are ‘perimenopausal’) is if your menstrual periods have become:

  • Irregular
  • Shorter or longer than usual
  • Lighter or heavier than usual
  • Absent for a few months”.3

Period Pattern

During perimenopause, do most women have a fairly consistent period pattern?

In Perimenopause: Abnormal Uterine Bleeding the Menopause Society (formerly the North American Menopause Society) explain:

“What is considered a normal menstrual cycle varies greatly from woman to woman. Still, in the years approaching perimenopause, most women will have a pattern that’s fairly consistent, so any changes in their bleeding pattern may be noticeable. To determine whether these changes are of concern, it is important that a woman consults with a healthcare professional. Keep in mind that it can be useful to track the bleeding on a calendar or smartphone app so that it can be easily reviewed and assessed”.4

Menstrual Calendar

Where may I find a menstrual calendar to keep a record of perimenopausal bleeding?

The Menopause Society’s website includes:


Menstrual Calendars

  1. Menstrual Calendar
  2. Menstrual Calendar: Calendario Menstrual [Spanish]
  3. Menstrual Calendar: Calendrier Menstruel [French]

PMS

Can premenstrual syndrome (PMS) get worse?

In Perimenopause: Symptoms and Causes – What Are Periods Like During Perimenopause? the Cleveland Clinic note:

“Some people also notice their premenstrual syndrome (PMS) symptoms get worse”.5

Health Care Provider

Perimenopausal BleedingWhat if I think I have perimenopausal bleeding?

In Perimenopause: Symptoms and Causes – How Can I Reduce My Risk of Perimenopause Complications? the Cleveland Clinic elaborate on:

“Irregular periods are common and normal during perimenopause, but other conditions can also cause irregular vaginal bleeding. If any of the following apply to you, see a healthcare provider to rule out other causes:

  • Your periods become very heavy or contain large blood clots
  • You change pads or tampons every one to two hours
  • Your periods last several days longer than usual
  • You spot or bleed between periods
  • You bleed after sex
  • Your periods occur less than 21 days apart”.6

In Periods: When To See Your Doctor About Your Periods the JH explain:

“There are many reasons why you might need to see a doctor about your periods. For example, if you have:

  • Heavy periods
  • Painful periods
  • Absent periods
  • Unusual bleeding (e.g. bleeding between periods, after having sex or after menopause)”.7

Health Topics A-Z

Where may I find Health Topics A-Z related to Perimenopausal Bleeding?

In Health Topics A-Z you may find:

Health Topics A-Z

Links

Where may I find Links related to Perimenopausal Bleeding?

Your Country may have Links similar to:

Links

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New or Updated

  1. ACOG Explains: Bleeding Changes In Perimenopause [American College of Obstetricians & Gynecologists]
  2. Abnormal Uterine Bleeding
  3. Abnormal Uterine Bleeding
  4. Are My Periods Too Heavy?
    Perimenopausal Bleeding
  5. Bleeding After Sex: What It Means and When To See A Doctor
  6. Bleeding Between Periods? How To Tell If It’s A Problem
  7. Bleeding Disorders In Women
  8. Bleeding Disorders In Women: Signs and Symptoms of Bleeding Disorders In Women
  9. Bleeding During Menopause | Dr Louise Newson [Video]
  10. Bleeding on HRT Explained | Dr Louise Newson Live
  11. Bleeding on HRT: What’s Normal and What’s Not
  12. Bleeding – Perimenopausal, Postmenopausal and Breakthrough Bleeding on MHT/HRT | Information Sheet
  13. Blood Clots During Menstruation: A Concern?
  14. Can HRT Stop Your Periods?
  15. Consumer Video and Podcast Series: 2024 Consumer Videos and Podcasts – Preparing for Your Menopause Health Care Visit
  16. Consumer Video and Podcast Series: 2025 Consumer Videos and Podcasts – Abnormal Uterine Bleeding—When To See A Clinician
  17. Do My Period Changes Mean Perimenopause?
  18. Endometriosis
  19. Everything You Need To Know About Endometriosis | Dr Louise Newson
  20. FAQs: Abnormal Uterine Bleeding
  21. FAQs: Dysmenorrhea: Painful Periods
  22. FAQs: Endometriosis
  23. FAQs: Heavy Menstrual Bleeding
  24. FAQs: Perimenopausal Bleeding and Bleeding After Menopause
  25. Find A Menopause Practitioner [The Menopause Society: United States and Other]
  26. Find A Practitioner [Australasian Menopause Society i.e. Australia and New Zealand]
  27. Find Your Nearest BMS Menopause Specialist [British Menopause Society]
  28. Gynecologic Cancers
  29. Gynecologic Cancers: What Are the Symptoms?
  30. Gynecological Cancers
  31. Heavy Periods
  32. Heavy Periods
  33. Heavy Periods
  34. Heavy Periods (Menorrhagia) [Multiply Languages]
  35. Heavy Periods: Signs and Treatment | NHS
  36. International Menopause Society (IMS) Recommendations and Key Messages on Women’s Midlife Health and Menopause
  37. Irregular Periods
  38. Let’s Talk About Heavy & Painful Periods
  39. Let’s Talk Period Health, Mental Health and Their Relationship
  40. Managing Heavy Menstrual Bleeding
  41. Menopause
  42. Menopause
  43. Menopause Checklist Podcast: Episode 2: Bye Bye Periods
  44. Menopause [Multiply Languages]
  45. Menopause Map: Downloadable Resources – My Personal Path Print Tools: Questions for Your Health Care Provider
  46. Menopause Map: Downloadable Resources – My Personal Path Print Tools: Symptom Tracker
    Perimenopausal Bleeding
  47. Menopause What Are the Symptoms?
  48. Menopause: Identification and Management [NICE Guideline]
  49. Menopause: Identification and Management [NICE Guideline]
  50. Menopause: Symptoms – Changes To Your Periods
  51. Perimenopausal Bleeding Menorrhagia (Heavy Menstrual Bleeding)
  52. Menstrual Calendar
  53. Menstrual Calendar: Calendario Menstrual [Spanish]
  54. Menstrual Calendar: Calendrier Menstruel [French]
  55. Menstrual Cycle
  56. Menstrual Cycle: What’s Normal, What’s Not
  57. Menstrual Cycle: What’s Normal, What’s Not – How Can I Track My Menstrual Cycle?
  58. Menstrual Hygiene Day [28 May]
  59. My Periods Have Changed. Is Menopause Around the Corner?
  60. National Center for Complementary and Integrative Health: How Safe Is This Product or Practice?
  61. Navigating Menopause Care Resource Guide
    Perimenopausal Bleeding
  62. Online Events [International Menopause Society]: Past Webinars – 2026: New IMS Recommendations – Midlife Body Changes
  63. Ovarian Cancer/Primary Peritoneal
  64. PMD Awareness Month [April 2026]
    Perimenopausal Bleeding
  65. PMS and PMDD | Dr Louise Newson
  66. Perimenopause
  67. Perimenopause
  68. Perimenopause, PMS, and PCOS: All About the Period
  69. Perimenopause and Menopause Checklist: Translated Checklists
  70. Perimenopause and Menopause Symptom Checklist
  71. Perimenopause and Menopause Toolkit
  72. Period Symptom Checker
  73. Periods
  74. Periods
  75. Periods (Menstruation)
  76. Periods (Menstruation) [Other Languages and Formats]
  77. Periods [Multiply Languages]
  78. Periods: Overview – Menstrual Cycle: Animation
  79. Periods: Period Problems
  80. Premenstrual Dysphoric Disorder (PMDD)
  81. Premenstrual Syndrome (PMS)
  82. Premenstrual Syndrome (PMS)
  83. Talk About Heavy Periods
  84. The Eve Appeal [United Kingdom]
  85. Tips for Tracking Your Bleeding
  86. Uterine Bleeding: Abnormal Uterine Bleeding
  87. Uterine/Endometrial Cancer/GDT
  88. Vaginal Bleeding
  89. Vaginal Cancer
  90. What Are Heavy Periods?
  91. What Causes Bleeding Between Periods?
  92. What Is An Endometrial Biopsy?
  93. What Is Endometriosis?
  94. What Is the Difference Between Perimenopause, Menopause and Postmenopause?
  95. When Does Perimenopause Start and How Do You Define the Beginning?
  96. Why Is Bleeding So Heavy?
  97. World GO Day [World Gynecologic Oncology Day, 20 September]
  98. Your Daily Dose: Let’s Unpack Menopause
  99. Your Daily Dose: Perimenopause, Don’t Suffer In Silence
  100. Your Daily Dose: Perimenopause, Here’s What To Know

Sources

Where may I find the Sources quoted?

You may find the Sources quoted at:

Sources

  1. Perimenopause: Symptoms and Causes – What Are Periods Like During Perimenopause? Last Reviewed: 08 August 2024. Cleveland Clinic https://my.clevelandclinic.org/health/diseases/21608-perimenopause Accessed: 29 May 2026
  2. Menopause: Key Facts. 16 October 2024. World Health Organization https://www.who.int/news-room/fact-sheets/detail/menopause Accessed: 29 May 2026
  3. Menopause: How Do You Know You Are In Perimenopause? Jean Hailes for Women’s Health https://www.jeanhailes.org.au/health-topics/menopause/#section-how-do-you-know-if-youve-reached-menopause Accessed: 29 May 2026
  4. Perimenopause: Abnormal Uterine Bleeding. Menopause Society https://menopause.org/patient-education/menopause-topics/perimenopause Accessed: 29 May 2026
  5. Perimenopause: Symptoms and Causes – What Are Periods Like During Perimenopause? Last Reviewed: 29 July 2024. Cleveland Clinic https://my.clevelandclinic.org/health/diseases/21608-perimenopause Accessed: 29 May 2026
  6. Perimenopause: Symptoms and Causes – How Can I Reduce My Risk of Perimenopause Complications? Last Reviewed: 29 July 2024. Cleveland Clinic https://my.clevelandclinic.org/health/diseases/21608-perimenopause Accessed: 29 May 2026
  7. Periods: When To See Your Doctor About Your Periods. Jean Hailes for Women’s Health https://www.jeanhailes.org.au/health-topics/periods/ Accessed: 29 May 2026
Topic Last Updated: 29 May 2026 – Topic Last Reviewed: 29 May 2026

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