You’ve made it through a lot in this series. You’ve learned the early signs, explored your treatment options, tackled changes to weight, muscle, and bone, and worked through sleep, mood, and brain fog.
In our last post, Perimenopause, Sleep, Mood, and Brain Fog: What’s Normal and What Helps, we talked about the brain side of this transition. Now it’s time for the final chapter: what’s happening with your periods, which bleeding changes need a closer look, and how you’ll know when perimenopause is finally over.
This is the last post in our perimenopause series, and it may be the most important one.
Why Your Periods Get So Unpredictable
Remember the hormone rollercoaster? Progesterone dips first, while estrogen spikes and crashes. Ovulation also becomes less predictable. When you don’t ovulate, your body doesn’t make its usual dose of progesterone, and the lining of your uterus can build up more than usual before it sheds.
That’s why changes in your cycle are the defining sign of perimenopause. You might notice:
- Cycles that get shorter, then longer
- Skipped periods, sometimes for a few months
- Periods that are lighter one month and heavier the next
Many of these changes are completely normal. But “perimenopause” shouldn’t become the explanation for every bleeding change.
What’s Normal and What Isn’t
Some bleeding changes deserve a check-up, even if you’re sure it’s “just hormones.” Doctors use these guidelines for women over 45. Get checked if you have:
- Periods that come very often. Bleeding that starts less than 24 days after your last period started.
- Periods that last too long. Bleeding for more than 8 days.
- Heavy bleeding. Soaking through pads or tampons quickly, passing large clots, or bleeding that interferes with your day. If it feels heavy to you, it counts.
- Bleeding between periods or after sex.
Why does this matter? As women get older, harmless growths like polyps and fibroids become more common, and they can cause heavy or irregular bleeding. But so can precancerous changes in the uterine lining and, less often, uterine cancer. The good news is that these conditions are usually found early because they tend to cause bleeding. That’s why it’s important not to ignore it.
Heavy bleeding can also lower your iron levels over time. If you’ve been feeling extra tired, short of breath, or foggy, low iron could be part of the picture, not just perimenopause.
Treatment Options for Heavy or Irregular Bleeding
Once serious causes are ruled out, you and your provider can decide together whether treatment makes sense. If the bleeding doesn’t bother you much, simply watching it may be fine. If it’s taking over your life, you have options.
- Hormonal IUD. One of the most effective treatments for heavy bleeding. It can make periods much lighter, provides birth control, and can be paired with estrogen later if hot flashes become a problem.
- Birth control pills, patch, or ring. These can make periods lighter and more predictable, ease hot flashes, and prevent pregnancy. They aren’t right for women over 35 who smoke or who have a history of blood clots, stroke, heart attack, or migraine with aura.
- Progestin pills. These help balance out estrogen and control the uterine lining.
- Non-hormonal options taken only during your period. Tranexamic acid and anti-inflammatory medicines like ibuprofen or naproxen can each cut blood loss significantly. Tranexamic acid isn’t a good fit for women with a history of blood clots.
- Iron supplements. These are used if heavy bleeding has lowered your iron levels.
- Procedures. If medications don’t work, options include removing polyps or fibroids, endometrial ablation (a procedure that thins the uterine lining), and, for some women, hysterectomy.
The Finish Line: How Perimenopause Ends
Here’s the question everyone wants answered: “When will this be over?”
Perimenopause lasts about four years on average, but for some women it can stretch up to a decade. Menopause itself isn’t a long phase. It’s a single point in time: 12 months in a row without a period. The average age is about 51.
A few important things to know as you get close:
- You still need birth control until you reach that point. Pregnancy is possible until you’ve gone a full year without a period (or until about age 50 to 55). Remember, hormone therapy does not work as birth control.
- Some symptoms may keep going. Hot flashes and sleep problems can last for years after your final period for some women. Treatment can still help.
- After menopause, any bleeding needs a check. Once you’ve gone 12 months without a period, any bleeding, even light spotting, is not normal and should be checked promptly. Most of the time the cause is harmless, but bleeding after menopause is the most common early sign of uterine cancer, and catching it early makes a big difference.
When to Book an Appointment
Make an appointment if:
- Your periods are very heavy, last more than 8 days, or come less than 24 days apart
- You have bleeding between periods or after sex
- You feel unusually tired, weak, or short of breath with heavy periods
- You have any bleeding after going 12 months without a period
- You’re on hormone therapy and have bleeding you didn’t expect
If you’re soaking through a pad or tampon every hour for several hours, or feel dizzy or faint, seek care right away.
Looking Back on the Series
If you’re just finding this series, here’s the full journey:
- What Happens When You First Enter Perimenopause? Early Signs and First Steps
- Perimenopause Treatment Options: Hormonal and Non-Hormonal Relief
- Perimenopause and Your Body: Weight, Muscle, and Bone
- Perimenopause, Sleep, Mood, and Brain Fog: What’s Normal and What Helps
- Bleeding Changes and the Finish Line: How Perimenopause Ends (This blog!)
Reaching menopause isn’t the end of caring for your health. Heart, metabolic, and bone health stay important for years to come, and the habits and care you build now carry you into the next stage of life.
Ready to Feel Like Yourself Again?
At Maze Women’s Health, we walk with women through every stage of hormonal change, from the first irregular cycle to life after menopause. If your periods have become heavy, unpredictable, or confusing, our team will take the time to listen, find the cause, and build a plan that fits your body and your life.
Schedule an appointment with Maze Women’s Health today. Let’s figure it out together.
Thank you for following along with our perimenopause series!
Sources
- U.S. Department of Veterans Affairs and Department of Defense. Clinical Practice Guideline for Menopause. 2026.
- Louie MY, Vegunta S. Abnormal Uterine Bleeding in Perimenopausal Women. Journal of Women’s Health. 2022.
- Dreisler E, Frandsen CS, Ulrich L. Perimenopausal Abnormal Uterine Bleeding. Maturitas. 2024.
- Douglass LA, Davis AM. Assessment and Management of Heavy Menstrual Bleeding. JAMA. 2020.
- American College of Obstetricians and Gynecologists. The Role of Transvaginal Ultrasonography in Evaluating the Endometrium of Women With Postmenopausal Bleeding. 2018.
