The Menopausal Skeleton

The Menopausal Skeleton

What does research really tell us about menopause and bone health?

When women think about menopause, the conversation usually centres on hot flushes, sleep, mood and menstrual changes. Bone health rarely receives the same attention.

Yet the years surrounding menopause are an important period for the skeleton. As ovarian function declines and oestrogen levels fall, the balance between bone formation and bone breakdown changes. Bone turnover increases, and the rate at which bone is lost accelerates.

This is not simply something that happens after the final menstrual period.

Longitudinal research has shown that bone mineral density can begin to decline during the menopausal transition, with the most rapid loss occurring around the final menstrual period and continuing into the early postmenopausal years. This means that some of the most important changes in bone health are already taking place while women are still experiencing menstrual cycles.

Why does this matter?

Because bone loss is closely linked to the development of osteoporosis and, ultimately, fractures. Osteoporosis is not simply “having weak bones”. It is a skeletal disorder in which bone strength is reduced and the risk of fragility fractures increases. A fracture of the hip or spine can have consequences that extend far beyond the initial injury, affecting mobility, independence and quality of life.

But there is an important distinction to make.

Menopause does not mean that a woman will develop osteoporosis. Bone health is influenced by much more than oestrogen. Age, genetics, body weight, physical activity, smoking, alcohol intake, previous fractures, certain medications and medical conditions all contribute to an individual’s risk. This helps explain why two women can go through menopause at the same age and have very different bone health.

The timing of menopause is also relevant. Women who experience premature ovarian insufficiency or menopause at a younger age have a longer period of exposure to low ovarian hormone levels and are at increased risk of reduced bone density and fractures. For these women, protecting bone health becomes an especially important part of long-term care.

So what should happen during menopause?

The answer is not that every woman needs a scan or medication. Instead, menopause provides an opportunity to assess individual risk. For women with relevant risk factors, clinicians can estimate fracture risk and, where appropriate, use a bone mineral density scan to provide additional information. This allows treatment to be targeted towards women who are most likely to benefit rather than treating menopause itself as a disease. Lifestyle also matters.

Weight-bearing exercise and resistance training help maintain bone and muscle strength. Adequate calcium and vitamin D are important for skeletal health, while avoiding smoking and keeping alcohol intake within recommended limits can reduce additional risks. Maintaining muscle strength and balance is equally important because preventing falls is an essential part of preventing fractures.

Hormone replacement therapy adds another layer to the discussion.

HRT is primarily used to treat menopausal symptoms, but it also has a beneficial effect on bone density and reduces fracture risk while it is being taken. This does not mean that HRT should be prescribed to every woman to prevent osteoporosis. The decision depends on the individual’s symptoms, age, medical history, risk factors and preferences. For women who already have osteoporosis or are at sufficiently high risk of fracture, other effective treatments are available. Perhaps the most important message is that bone health should not begin to matter only after the first fracture.

The menopausal transition gives us an opportunity to think ahead. It is a period when bone loss can accelerate, but it is also a period when risk can be recognised, lifestyle can be strengthened and treatment can be considered when appropriate. Menopause does not inevitably lead to osteoporosis. But it is a biological transition that deserves to be part of the conversation about how women maintain strength, mobility and independence as they age.

The skeleton may be hidden from view, but it carries us through almost everything that comes afterwards.

This is the sixth article in a 10-part reflection series on menopause, women’s health, and public health.