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Why does weight gain
happen during menopause?
Weight gain is a common concern during the stages of menopause and many women find it easier to gain weight than in earlier years.
These physical symptoms and changes often involve a shift in body shape that can feel difficult to manage, even with consistent habits.
Understanding the biological drivers of these changes is the first step towards feeling more in control of your health.
How a slower metabolism causes weight gain in menopause
As you age your metabolism naturally slows down and the body requires less energy to function while at rest. This means that if your dietary intake and activity levels remain the same weight gain can occur more easily.
This metabolic slowdown is a complex process influenced by age the stage of your transition and changes in your overall body composition.
How hormonal changes cause weight gain in menopause
Hormonal changes during perimenopause and declining hormone levels play a major role in how your body manages energy and stores fat. Lower oestrogen levels are specifically linked to changes in fat storage and can influence appetite and hunger signals.
Understanding the hormonal changes of perimenopause can help explain why maintaining your usual weight may become more difficult during this time.
How muscle loss contributes to menopause weight gain
Muscle tissue is highly active and helps the body burn energy more efficiently. During the transition towards the menopause milestone, muscle mass can gradually decrease which further reduces the metabolic rate.
Focusing on preserving muscle strength is an essential part of support for healthy ageing and helps maintain physical function for the years ahead.
How lifestyle factors affect weight during menopause
Midlife often brings increased stress and poor sleep which are both known to impact the hormones that regulate energy balance and appetite. When rest is disrupted or stress levels are high it can be harder to maintain a consistent routine or stay physically active.
Understanding why insomnia happens during menopause can be a vital component of a comprehensive plan to manage your weight and metabolic health.
How body composition changes during menopause
Even if your overall weight stays relatively stable you may notice a belly fat increase during menopause as you move through the transition. Fat tends to redistribute from the hips and thighs towards the abdomen during this stage.
These visible shifts are a normal response to a new hormonal environment but they can impact your comfort and confidence.
When to see a doctor
If weight gain is sudden or difficult to manage, it is reasonable to arrange a menopause consultation.
This can provide clarity and allow a thorough assessment of your metabolic health to identify any underlying drivers of your symptoms.
Key points
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Weight gain is common and often linked to a naturally slower metabolism.
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Shifting hormone levels affect how the body stores and uses energy.
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A decline in muscle mass can further reduce your metabolic rate.
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Poor sleep and lifestyle stress play a significant role in weight changes.
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It is helpful to have persistent metabolic concerns reviewed by a clinician.
Medically reviewed by Dr Susana Rodriguez, menopause clinician at ClaraSana Women’s Health, Perth.
Our content is based on up-to-date Australian guidelines & may differ from information on other sites.