Cardiovascular health and menopause

Key takeaways

• Cardiovascular risk increases significantly at menopause, not simply because of age, but because of specific hormonal changes that alter cholesterol, blood pressure, and arterial health.
• Women who go through menopause early carry a meaningfully higher lifetime cardiovascular risk, making timely specialist assessment particularly important.
• The evidence on HRT and heart health has shifted substantially since the studies that frightened off many women: timing matters enormously, and for most women starting HRT before 60 or within ten years of menopause, the cardiovascular risk picture looks very different from the headlines of twenty years ago.

Heart disease is the leading cause of death in women in the UK, and yet the connection between menopause and cardiovascular risk is rarely discussed in the ten-minute GP appointments where most women first raise their symptoms. Many women know that hot flushes and sleep disruption are part of the picture. Far fewer know that the same hormonal changes driving those symptoms are also reshaping their cholesterol profile, their blood pressure, and the health of their arteries.

This article explains what actually changes at menopause, what the current evidence says about HRT and heart health (including why the old headlines no longer tell the full story), and what practical steps are most likely to make a difference.

Why your heart health changes at menopause

For most of her reproductive years, a woman's cardiovascular risk runs significantly lower than a man's of the same age. That difference is largely driven by oestrogen, which has direct protective effects on the cardiovascular system by supporting arterial elasticity, helping regulate cholesterol, and reducing inflammation in the walls of blood vessels.

When oestrogen declines during the menopause transition, those protective effects diminish. Cardiovascular risk does not rise gradually with age the way it does in men: it accelerates at a specific biological moment. A 2024 review published in Maturitas by researchers from the Mayo Clinic found that cardiovascular risk increases significantly in the fifth decade of a woman's life, coinciding with menopause, and that this increase occurs approximately ten years later than the comparable age-related increase in men.

The implication is that menopause, not age alone, is also a significant driver of cardiovascular risk and that perimenopause and the years immediately following the final menstrual period are a critical window for tackling this risk increase.

What changes in your body, and what that means for your heart

The cardiovascular effects of menopause are specific and measurable. A UK longitudinal cohort study published in BMC Medicine in 2022, following up to 3,892 women with repeated measures across the menopausal transition, found meaningful changes in cardiovascular risk markers that were distinct from the effects of chronological ageing. Understanding what is changing helps explain why lifestyle and treatment decisions made during this period carry long-term consequences.

Cholesterol- Oestrogen helps maintain a favourable balance between LDL (low-density lipoprotein, which is most associated with arterial blockage) and HDL (high-density lipoprotein, which is protective). After menopause, LDL tends to rise and HDL to fall. A review published in Endocrine Connections in 2022 identified this change as one of the primary mechanisms through which menopause drives cardiovascular risk.

Blood Pressure- Oestrogen supports arterial elasticity. As it declines, arteries become stiffer causing blood pressure to rise. Many women who had a normal blood pressure throughout their adult lives find it climbing during perimenopause despite maintaining the same lifestyle.

Fat Distribution- Before menopause, women tend to store fat predominantly in the hips and thighs. After menopause, fat redistributes towards the abdomen. Fat accumulation around our midriff is more metabolically active and more strongly associated with cardiovascular and metabolic risk than fat tissue elsewhere in the body.

Are some women at higher risk than others?

Yes, meaningfully so. While the cardiovascular effects of menopause affect all women to some degree, the timing of menopause makes a significant difference to lifetime risk.

A pooled analysis of individual patient data published in The Lancet Public Health in 2019, one of the largest studies of its kind, found that women who experienced premature ovarian insufficiency (before age 40) had a 55% higher risk of cardiovascular disease compared to women who reached menopause at age 50 to 51. Women whose menopause occurred between 45 and 49 carried a 12% elevated risk. Even a relatively modest shift in timing carries a measurable difference in long-term cardiovascular health.

A 2025 prospective cohort study published in Heart (BMJ) confirmed that lifestyle modification consistently reduces cardiovascular risk across all menopause timing groups, but also that women with premature ovarian insufficiency (before age 40) or early menopause (ages 40-45) start from a higher baseline risk and benefit most from early, proactive intervention.

Other factors that increase cardiovascular vulnerability during and after menopause include a history of raised blood pressure during pregnancy, pre-eclampsia, a family history of early heart disease (before age 60), smoking, type 2 diabetes, and a longer perimenopause duration.

Hot flushes, night sweats and your heart: is there a connection?

This is an area of emerging research. Hot flushes and night sweats (vasomotor symptoms) are not simply a nuisance. Research suggests that having frequent or severe vasomotor symptoms may be associated with underlying blood vessel changes that are relevant to cardiovascular health. The 2022 review in Endocrine Connections and the Mayo Clinic's 2024 analysis in Maturitas both note the association between vasomotor symptom burden and changes in arterial stiffness and blood vessel wall health.

“This does not mean hot flushes cause heart disease. The relationship is more likely bidirectional: the same vascular changes that raise cardiovascular risk may also lower the threshold for vasomotor symptoms. What it does suggest is that severe or persistent hot flushes in a woman with other cardiovascular risk factors are worth discussing with a specialist.”

Katy Jackson, Clinical Director - Women's Health

HRT and your heart: what the evidence actually says

In the early 2000s, a large US trial called the Women's Health Initiative (WHI) reported that HRT increased the risk of heart disease, stroke, and breast cancer. The findings were widely reported, and many women (and their GPs) concluded that HRT was dangerous. Prescriptions for HRT immediately fell off a cliff.

What the headlines did not fully convey was that the WHI participants were, on average, in their early 60s and had been postmenopausal for more than a decade before starting HRT. That population is very different from women who start HRT in perimenopause or in the years immediately following their final period. Applying WHI findings to younger, recently menopausal women was a significant extrapolation.

The evidence that has accumulated since gives a considerably more nuanced picture. A 2022 paper by Hodis and Mack in the Cancer Journal sets out the timing hypothesis clearly: HRT initiated close to the menopause (defined as women under 60 or within ten years of their final period) is associated with cardiovascular benefit or neutral effect. The cardiovascular risks observed in the WHI were concentrated in older women starting HRT long after menopause, when arterial disease in their bodies was already established.

NICE guidelines (NG23, updated 2026) reflect that the timing hypothesis is the current clinical consensus in the UK. However, there are two important caveats. First, HRT is not recommended by NICE as a standalone strategy for preventing cardiovascular disease. Second, if you have existing cardiovascular disease or have had a stroke, NICE states that HRT should be discussed with a menopause specialist who will assess your individual risk profile.

Transdermal vs oral HRT: does the form matter for heart health?

It absolutely does. This is one of the more important things women should know about HRT.

Oral oestrogen, taken as a tablet by mouth, is absorbed through the gut and processed by the liver before entering the bloodstream. Passing through the liver increases the production of clotting factors and certain inflammatory markers, which are associated with a small but statistically significant increase in the risk of blood clots and stroke.

Transdermal oestrogen, applied as a patch, gel, or spray to the skin, is absorbed directly through the skin into the bloodstream and bypasses the liver entirely. The 2022 review in Endocrine Connections is explicit that transdermal oestrogen is preferred because it does not carry the same risk profile as oral formulations.

For women with cardiovascular risk factors, or for those who are discussing HRT options with a specialist, the route of administration is hugely relevant with very real clinical implications.

What you can do to protect your heart during menopause

Lifestyle choices made during and after the menopause transition can have a long-term impact on your heart health. The 2025 prospective cohort study in Heart (BMJ) found that lifestyle modification consistently reduced cardiovascular disease likelihood regardless of what age menopause occurs.

Here are the areas with the strongest evidence:

Physical activity- Aerobic exercise (aiming for 150 to 300 minutes of moderate-intensity activity per week) supports cardiovascular health, helps maintain your weight, and may help reduce the severity of hot flushes and night sweats. Strength training is increasingly recognised as important in its own right by increasing muscle mass and improving metabolic rate and bone density - all of which are affected by oestrogen decline.

Diet- The Mediterranean-style diet is the most widely researched diet in the world. Rich in vegetables, legumes, whole grains, oily fish, olive oil, and low in ultra-processed foods, it is associated with reduced cardiovascular risk. Reducing (not necessarily stopping) alcohol is particularly relevant after menopause, when alcohol metabolism changes and the cardiovascular system’s sensitivity to these changes increases.

Sleep- Poor sleep is an indirect cardiovascular risk factor that is often overlooked. Chronic sleep disruption raises inflammatory markers, impairs blood sugar regulation, and increases blood pressure. Among Voy members, 71% reported improved sleep after starting HRT, based on outcome data presented at The Menopause Society 2025. Treating the hormonal causes of sleep disruption is not just about comfort, it has downstream cardiovascular relevance.

Mood and Stress- Chronic psychological stress has been a long established cardiovascular risk factor. Therefore managing mood and anxiety during menopause is also part of protecting cardiovascular health. Among Voy members, 83% reported improvement in mood and emotional symptoms after starting HRT, based on outcome data presented at The Menopause Society 2025.

Smoking- If you smoke, stopping is the single most impactful cardiovascular intervention available. The cardiovascular risk from smoking compounds substantially with all the other menopause-related risk changes.

Which numbers should you know? A practical monitoring guide

Knowing your own cardiovascular baseline during menopause gives you and your specialist the information needed to make good decisions. These are the measurements worth tracking:

Blood pressure- Target below 120/70 mmHg. Rising blood pressure during perimenopause is common and worth monitoring at least annually.

Cholesterol- A lipid panel (total cholesterol, LDL, HDL, and triglycerides). LDL (the kind most associated with blocked arteries) rising after menopause is common and clinically significant.

HbA1c-Insulin sensitivity changes after menopause. An HbA1c check gives an indication of longer-term blood sugar regulation and screens for pre-diabetes, which is defined by levels between 42 and 47. 48 or greater is indicative of type 2 diabetes.

Waist circumference- Waist circumference above 80cm in women is associated with increased cardiovascular and metabolic risk. Tracking this is more informative than BMI alone as it is not tell us about the amount of fat stored around the midriff.

Voy's Women's Midlife MOT Blood Test checks 16 biomarkers including total cholesterol, HDL, LDL, triglycerides, and several other markers relevant to midlife health. It is designed specifically for women aged 40 and over who want to understand what their results mean in the context of hormonal changes.

When to seek specialist support

Cardiovascular risk during menopause benefits from specialist assessment, not just lifestyle advice and an annual blood pressure reading. A 45-minute consultation with a BMS-trained menopause specialist gives you the time to discuss your full symptom picture, your cardiovascular risk factors, your family history, and your treatment options, including whether HRT is appropriate, and if so which formulation makes sense for your individual situation.

Among Voy members, 88% felt more hormonally balanced at three months, compared to 62% receiving standard care, based on outcome data presented at The Menopause Society 2025. And 93% reported improvement in overall quality of life. Comprehensive, specialist-led menopause care has effects that extend well beyond symptom relief.

If you have a history of heart disease, have had a stroke, or have multiple cardiovascular risk factors, the conversation about HRT and heart health is one you deserve to have with someone who has the expertise and the time to listen.

If you are not sure where to start, take the free assessment to find out what support might be right for you.

This content is for informational purposes and does not constitute medical advice. Always consult a healthcare professional.