For some women, weight maintenance begins to feel noticeably different during their forties and early fifties. Understanding the hormonal changes behind that can help you adapt your approach rather than simply becoming stricter with it.
Reviewed by the Envigore clinical team
When familiar habits start to feel different
The meals, movement and routines that once seemed to work reliably may not produce quite the same results. Body shape can change, sleep may become more disrupted and maintaining muscle can become increasingly important.
These changes aren’t simply about getting older or needing to “try harder”.
Perimenopause brings hormonal changes that can influence body composition, fat distribution, sleep and other factors involved in weight management.
Understanding those changes can help you adapt your approach rather than simply becoming stricter with it.
What is perimenopause?
Perimenopause is the transitional period leading up to menopause.
During this time, hormone levels fluctuate and menstrual cycles can become less predictable. Menopause itself is reached after 12 consecutive months without a menstrual period.
For many women, changes associated with menopause begin during the perimenopausal years rather than suddenly appearing once menopause is reached.
Why can body composition change during perimenopause?
One of the most noticeable changes can be where the body stores fat.
As oestrogen levels change, fat distribution can shift towards the abdominal area rather than predominantly around the hips and thighs.
At the same time, research following women through the menopause transition has found changes in body composition, including increases in fat mass and decreases in lean mass.
This is why the scales don’t always tell the whole story.
Your weight may remain relatively stable while your proportions or body composition change.
Why muscle becomes increasingly important
Muscle matters for much more than physical strength.
It supports mobility and function and is an important site for glucose use. Preserving lean mass therefore becomes particularly valuable as you move through perimenopause and beyond.
Resistance training can help.
That doesn’t necessarily mean lifting very heavy weights. Depending on your starting point and ability, resistance can come from weights, machines, resistance bands or bodyweight exercises.
The aim is to give your muscles a reason to stay strong.
Adequate dietary protein also supports the maintenance and growth of muscle, making it another useful consideration when planning meals.
Don’t underestimate sleep
Sleep can become more disrupted during perimenopause for several reasons, including night sweats and changes in sleep quality.
Poor sleep can then influence appetite, cravings, mood and how much energy you have for physical activity.
That means sleep isn’t separate from your weight management routine. It forms part of it.
If sleep has become difficult, focusing exclusively on food may miss an important part of what’s changed.
Think about steadiness, not restriction
When maintaining weight becomes harder, the instinct can be to eat less.
But perimenopause is a particularly good time to move away from an approach centred solely on restriction.
Instead, place more emphasis on:
- Eating enough protein across the day
- Including fibre-rich vegetables, fruit, pulses and wholegrains
- Regular resistance exercise
- Staying active outside of structured workouts
- Supporting good-quality sleep
- Keeping meals reasonably consistent
- Limiting excessive reliance on highly refined carbohydrates and sugary foods
These are familiar healthy habits. What’s different is where you may need to place more emphasis as your body changes.
Look beyond the scales
Because body composition and fat distribution can change during perimenopause, weight alone may become an even less complete measure of progress.
Consider the wider picture.
Are you getting stronger? Is your waist measurement changing? Are you able to maintain your activity levels? How is your sleep? How do your clothes fit? Are the habits you’ve built still realistic?
Maintenance should support your health and quality of life, not simply keep one number unchanged.
Adapting as your body changes
Perimenopause doesn’t require you to throw out everything you’ve learned about weight management.
But it may require some adjustment.
Rather than pushing harder at habits that don’t seem to work in quite the same way, consider whether your priorities need to shift. Preserving muscle, getting enough protein, supporting sleep and maintaining balanced eating habits may become increasingly valuable.
If perimenopause symptoms are affecting your health or day-to-day life, speak to your GP or an appropriate healthcare professional for individual advice.
And if your weight management needs are changing, you can use your Momentum reviews to discuss your maintenance plan with the Envigore clinical team.
The goal isn’t to fight against a changing body. It’s to understand what it needs now and build a maintenance approach that can change with you.
- Davis, S.R., Castelo-Branco, C., Chedraui, P., et al. (2012). Understanding weight gain at menopause. Climacteric, 15(5), 419–429.
- Greendale, G.A., Sternfeld, B., Huang, M., et al. (2019). Changes in body composition and weight during the menopause transition. JCI Insight, 4(5), e124865.
- National Institute for Health and Care Excellence (NICE). Menopause: identification and management (NG23).
This article is for educational purposes only and provides general information about perimenopause and weight maintenance. It is not a substitute for personalised medical advice. If perimenopause symptoms are affecting your health or day-to-day life, speak to your GP or an appropriate healthcare professional.
About Your Clinical Team
This content was reviewed by the Envigore clinical team. All prescribing decisions at Envigore are overseen by Danny Gian Hou Chu, a HCPC-Registered Advance Paramedic Prescriber (PA38670).
All prescriptions are dispensed by Right Medicine Pharmacy, a GPhC-Registered Pharmacy (No. 9012382).
Nutritional guidance and lifestyle support is provided by Veronica Giudice, a HCPC-Registered Dietitian (DT26570) and British Dietetic Association member.
Last reviewed: September 2026