If you’re in your late 30s, 40s, or early 50s and suddenly gaining weight—especially around your midsection—you’re not imagining things.
You may be eating the same way.
You may be exercising more.
And yet, the scale keeps creeping up.
This is one of the most common (and frustrating) experiences of perimenopause—and it has very little to do with willpower.
Let’s break down what’s actually happening in your body, why traditional advice often fails during this phase of life, and what does help.
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At Her Midlife RX, we believe that true wellness is about more than just Perimenopause is the transitional phase before menopause when hormone levels begin to fluctuate unpredictably.
For many women, this starts:
During this time, estrogen, progesterone, cortisol, and insulin no longer follow stable patterns—and that directly affects how your body stores fat.

Here are the answers to our biggest questions about weight gain in perimenopause
Estrogen Becomes Erratic (Not Just “Low”)
Estrogen doesn’t simply decline—it swings.
These fluctuations:
This is why weight often shifts from hips and thighs to the belly.
As estrogen fluctuates, cortisol has a stronger effect.
High or chronically elevated cortisol can:
Many women are unknowingly stuck in a stress–fat–stress loop.
Yes and the reasons are multi-factorial but start with sleep:
Perimenopause often affects sleep long before hot flashes appear.
Poor sleep:
Even one bad night can impact your cortisol levels and weight management the next day
No! This is not a healthy or well-rounded approach to the problem.
Many women respond to weight gain by:
In perimenopause, this can worsen the problem by:
What worked before may now feel like it’s working against you.

Stop guessing and understand your hormones. Shift the focus from weight loss to metabolic stability. Stop calorie counting and work on building lean muscle. We've put together the information and resources to guide you.
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