How Does Menopause Affect Bone Density and Osteoporosis Risk?

Women's Health

May 29, 2026

Middle-aged woman suffering from pain in leg at home, closeup. Physical injury concept.

The years around menopause mark the most rapid period of bone loss in a woman’s life and significantly raise the risk of osteoporosis and fracture.1,2 Bone health can be supported through lifestyle measures and, when needed, appropriate medical treatment.2

Why Does Menopause Increase the Risk of Osteoporosis?

Bone is continuously remodelled: osteoclasts break down old bone and osteoblasts replaces damaged, old bone with new bone. Oestrogen suppresses osteoclast activity, acting as a brake on breakdown.1,3 When oestrogen falls at menopause, that brake is lost, osteoclast activity outpaces osteoblast activity, and bone mineral density declines — leading, over time, to osteoporosis.1,3

Osteoporosis is typically silent until a fracture occurs, most often at the spine, hip, or wrist; hip fractures carry the largest impact on mobility and independence.3,4

How Quickly Does Bone Density Decline After Menopause?

Women lose an average of 2% decline in bone density every year for the ten years following menopause, with greater losses in those with additional risk factors.4 ,5 The pace then slows, but women who started with lower density or lost bone fastest may already meet the criteria for osteoporosis. 3,10

Rate of loss is influenced by lower  bone mineral density (BMD), physical activity, calcium and vitamin D intake, smoking, and alcohol; family history of fracture; genetic factors; low body weight; and prolonged corticosteroid use.1,3,5

Knowing that bone loss can be significant — and rapid — in the early postmenopausal years raises an important practical question for many women.

Should I Have a Bone Density Scan After Menopause?

Dual-energy X-ray absorptiometry (DXA) is the standard test for bone mineral density, measuring the hip and lumbar spine and producing a T-score against a healthy young-adult reference. 6,7  DXA is not routinely recommended for every postmenopausal woman; current guidance targets women ≥ 65 years of age regardless of risk factors and younger post-menopausal women or women in the menopausal transition with risk factors — prior fragility fracture, family history, menopause before 45 or premature ovarian insufficiency, low body mass index, prolonged corticosteroid use, or other bone-affecting conditions.4

FRAX, is a validated tool that utilizes several risk factors to estimate the ten-year probability of a fracture.6 Results in the osteopenic (low bone mass; T-score −1 to −2.5) or osteoporotic (≤ −2.5) range guide lifestyle, monitoring, and treatment decisions.7,8

What Lifestyle Measures Help Protect Bone Health During and After Menopause?

Lifestyle changes work best when started before or around menopause, but it is never too late.5

Calcium and vitamin D. Adequate calcium — from dairy, fortified plant milks, leafy greens, tinned fish with bones, or tofu — is essential to slow bone loss.4,5 Vitamin D, needed for calcium absorption, is commonly deficient in low-sunlight regions; saltwater fish, fortified foods, and supplementation where intake or sun exposure is insufficient all contribute.4,5

Weight-bearing exercises such as walking, jogging, dancing, stair climbing and muscle-strengthening resistance training exercises stimulate bone formation and improve balance, reducing both bone loss and fall risk.1,4,5

Smoking and alcohol. Smoking significantly raises osteoporosis risk; alcohol above ~2 units/day reduces bone density and increases fall risk. Both are modifiable.5

Body weight and nutrition. Very low body weight is linked to lower bone density and higher fracture risk; adequate protein supports bone maintenance.1,4,5

Can Hormone Therapy Help Prevent Bone Loss After Menopause?

Hormone therapy is one of the most effective pharmacological options for preventing postmenopausal bone loss.2,4,6 By replacing oestrogen, it restores the brake on bone breakdown lost at menopause.6 Evidence shows that, when started around menopause, hormone therapy maintains or increases bone mineral density at the hip and spine and reduces fragility fractures — including hip and vertebral fractures — across formulations and routes.2 Protection lasts for the duration of treatment; bone loss tends to resume after discontinuation.6

NICE and other guidance support hormone therapy for bone protection in women with menopausal symptoms and in those with early menopause or premature ovarian insufficiency. 2,9 Non-hormonal pharmacological options are available for women who cannot or prefer not to use hormone therapy.2 All treatment decisions should be made with a qualified healthcare professional based on individual risk and history.9

What You Can Do

  • Speak with your GP or primary care provider about your bone health at the time of menopause — this is an appropriate and important conversation to initiate.9,10
  • Ensure your diet includes adequate calcium-rich foods and dietary proteins, and consider whether your vitamin D intake is sufficient.6
  • Include weight-bearing exercise and resistance training in your routine — both are effective in maintaining bone density and reducing fall risk.5,6
  • If you smoke, seek support to stop — smoking significantly increases osteoporosis risk.5
  • Limit alcohol to within recommended levels.1,5
  • Ask your doctor whether a bone density scan (DXA) is appropriate for you, based on your individual risk factors.6
  • If you have risk factors for osteoporosis — including early menopause, a family history of fracture, or prolonged corticosteroid use — make sure your healthcare provider is aware, as you may benefit from earlier assessment and monitoring.6
  • Always speak with a qualified healthcare professional before starting, stopping, or changing any treatment for bone health.

Conclusion

Menopause triggers the most rapid phase of bone loss in a woman’s life.1,3 Acting early — through lifestyle, appropriate scanning, and, where indicated, medical treatment — makes the greatest difference, and your healthcare provider is the right partner in that process.

FAQ

1. What is osteoporosis and how is it different from low bone density? Osteoporosis is a condition in which bones have become sufficiently thin and porous that they are at significantly increased risk of fracture, even from minor falls or everyday activities.3,5,6  It is diagnosed using a DXA scan, which produces a T-score comparing your bone density to that of a healthy young adult reference population.7 A T-score of −2.5 or below indicates osteoporosis; a score between −1 and −2.5 indicates osteopenia, or low bone density — a stage at which bone loss is present but fracture risk is not yet as elevated as in osteoporosis.7,8 Both conditions benefit from lifestyle measures and, in some cases, medical management.

2. How is a DXA scan performed and is it uncomfortable? A DXA scan is a simple, quick, and painless procedure which involves you lying on a table while a low-radiation X-ray beam passes over your body, typically measuring bone density at the hip and lumbar spine.11 The scan usually takes between ten and twenty minutes and requires no preparation or injections.11 The radiation dose is very low — considerably less than a standard chest X-ray.4,7 Results are given as a T-score, which your doctor will interpret in the context of your overall risk profile to guide any recommendations.6,11

3. Is calcium supplementation necessary for bone health after menopause? Whether calcium supplementation is needed depends on your individual dietary intake.4,5 The recommended daily calcium intake for postmenopausal women is generally around 1,200 mg per day, which many women can achieve through diet if they regularly consume calcium-rich foods.4 If dietary intake is consistently below this, supplementation may be appropriate — but your healthcare provider is best placed to advise, as very high calcium intakes from supplements have been associated with other health concerns in some research. 4 Vitamin D supplementation is more widely recommended for postmenopausal women, as deficiency is common and vitamin D is essential for calcium absorption.4

4. What is FRAX and how does it help assess fracture risk? FRAX is a validated, internationally used computer-based algorithm tool that calculates an individual’s ten-year probability of a major osteoporotic fracture (such as hip, spine, forearm, or shoulder) based on a combination of clinical risk factors.6,7  These factors include age, sex, body weight and height, previous fracture history, family history of hip fracture, smoking, alcohol use, corticosteroid use, and underlying medical conditions, and femoral bone density.6,7 It is used by clinicians to guide decisions about whether a DXA scan or treatment is warranted, and to identify women at highest risk who may benefit most from early intervention.6,7 FRAX results are interpreted alongside clinical judgement and local guidelines — country-specific versions of FRAX are available and used across Europe.6,7

5. If I am taking hormone therapy for menopausal symptoms, does that also protect my bones? Yes — if you are taking hormone therapy that contains oestrogen for menopausal symptoms, this will also provide bone-protective effects as long as you continue taking it.2,5,9 Evidence consistently shows that oestrogen-containing hormone therapy reduces bone turnover, maintains or increases bone mineral density, and reduces fracture risk — including hip and vertebral fractures.5 This bone protection is an additional benefit of hormone therapy for women who are taking it primarily to manage vasomotor symptoms or other menopausal effects.4,10 When hormone therapy is stopped, bone loss tends to resume, so the longer-term approach to bone health after stopping should be discussed with your healthcare provider.5

This article was written with the assistance of generative AI technology and reviewed for accuracy.

References

  1. Cheng CH, Chen LR, Chen KH. Osteoporosis due to hormone imbalance: an overview of the effects of estrogen deficiency and glucocorticoid overuse on bone turnover. Int J Mol Sci. 2022;23(3):1376.
  2. Stevenson JC; British Menopause Society Medical Advisory Council. Prevention and treatment of osteoporosis in women. Post Reprod Health. 2023;29(1):11-14.
  3. Charde P, Bhargava H, Jain R, et al. A comprehensive review on postmenopausal osteoporosis in women. 2023;15(11):e48827.
  4. LeBoff MS, Greenspan SL, Insogna KL, Lewiecki EM, Saag KG, Singer AJ, Siris ES. The clinician’s guide to prevention and treatment of osteoporosis. Osteoporos Int. 2022;33(10):2049-2102.
  5. Stokes G, Herath M, Samad N, et al. Bone Health—Across a Woman’s Lifespan. Clinical Endocrinology. 2025;102:389-402.
  6. Kanis JA, Cooper C, Rizzoli R, Reginster JY; on behalf of the Scientific Advisory Board of ESCEO and the Committees of Scientific Advisors and National Societies of IOF. European guidance for the diagnosis and management of osteoporosis in postmenopausal women. Osteoporos Int. 2019;30(1):3–44.
  7. Sanchez-Riera L, Wilson N. Bone mineral density testing for osteoporosis. Aust Fam Physician. 2016;45(7):481–484.
  8. Anupama S, Lim SY, Bolster MB. Updates on the role of DXA in the evaluation and monitoring of osteoporosis. Curr Rheumatol Rep. 2025.
  9. Santoro N, Roeca C, Peters BA, Neal-Perry G. The menopause transition: signs, symptoms, and management options. J Clin Endocrinol Metab. 2021;106(1):1–15.
  10. Menopause: Identification and Management (NG23). Updated April 15, 2026. Available at: https://www.nice.org.uk/guidance/ng23/resources/menopause-identification-and-management-pdf-1837330217413. Accessed May 2026.
  11. How is it performed. Bone density scan (DEXA scan) Available at: https://www.nhs.uk/tests-and-treatments/dexa-scan/what-happens/. Accessed May 2026.