Perimenopause
Also called: peri-menopause, perimenopausal, the change before menopause
What it means
Perimenopause is the hormonal transition phase leading up to menopause, when estrogen levels fluctuate and periods become irregular.
Bone loss can quietly begin during perimenopause as estrogen starts to decline, so this is a good time to pay attention to bone health.
Perimenopause is the transition time before your final period, often starting in your 40s and lasting several years. Hormone levels, especially estrogen, start to swing up and down and gradually trend lower. Periods become irregular, and you may notice hot flashes, sleep changes, or mood shifts well before menopause is officially reached.
This hormonal shakeup matters for bone because estrogen helps keep bone breakdown in check. As estrogen levels become unpredictable and begin declining, bone turnover can start to increase even before your last period, meaning some bone loss may begin during perimenopause rather than waiting until menopause itself.
Because bone loss can start quietly during this phase, it's a reasonable time to talk with your doctor about baseline bone health, especially if you have other risk factors like a family history of osteoporosis or low body weight. A doctor can help decide if any testing or monitoring makes sense for you.
Bone loss can quietly start during perimenopause, well before periods fully stop.
Where this leads
WordIf bone loss starts as estrogen declines, what exactly does estrogen do for bone? It keeps bone-removing cells in check, so falling levels speed up loss.
Related words
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Education only, not medical advice. Decisions about tests, medications and treatment belong with your own doctor. OsteoStrong does not diagnose, treat or cure any disease.
