Premature Menopause Significantly Increases Long-Term Heart Disease Risk, Study Finds

Women who experience natural menopause before age 40 face a roughly 40% higher lifetime risk of developing coronary heart disease compared to those who enter menopause later in life, according to a recent Northwestern Medicine study . This research, published in JAMA Cardiology, is the first to calculate the cumulative lifetime heart risk associated with premature menopause.

Early Menopause and Heart Health

The findings underscore the importance of routinely discussing the age of menopause with female patients, enabling earlier identification of those at increased risk and facilitating timely interventions. “When menopause happens before age 40, women still have more than half of their life expectancy ahead of them,” explains Dr. Priya Freaney, assistant professor of medicine in the division of cardiology at Northwestern University Feinberg School of Medicine and lead author of the study . “Understanding their cumulative lifetime risk of blockage-related heart disease is critical.”

Coronary heart disease occurs when the heart’s arteries grow narrowed or blocked by plaque buildup, restricting blood flow and potentially leading to heart attacks or weakened heart muscle.

Disparities in Premature Menopause Rates

The study, which analyzed data from over 10,000 U.S. Women followed for decades, also revealed significant racial disparities. Premature menopause was three times more common among Black women (15.5%) than white women (4.8%). Dr. Freaney suggests this disparity likely stems from a complex interplay of life-course exposures, health conditions, and systemic inequities, rather than solely biological factors.

How the Study Was Conducted

Dr. Freaney and her team analyzed data from 10,036 postmenopausal Black and white women participating in long-term studies, including the Framingham Heart Study, Atherosclerosis Risk in Communities Study, and the Women’s Health Initiative. Over the period from 1964 to 2018, the researchers identified more than 1,000 coronary heart disease events, including both fatal and nonfatal heart attacks.

Even after accounting for established cardiovascular risk factors like smoking, obesity, hypertension, and diabetes, premature menopause was still associated with a 41% higher risk of coronary heart disease in Black women and a 39% increased risk in white women.

What Causes Premature Menopause?

Menopause is defined as one year after a woman’s last menstrual period, with an average age of 51 in the U.S. Early menopause is defined as occurring between ages 40 and 45, while premature menopause is before age 40.

The causes of premature menopause are not fully understood and are likely multifaceted. Potential contributing factors include genetic predisposition, biological factors, environmental influences, age of first menstruation, lifestyle choices like smoking, obesity, and chronic stress .

Researchers also acknowledge uncertainty regarding whether the menopausal transition itself creates a vascular environment conducive to disease, or if women experiencing premature menopause already possess underlying risk factors that predispose them to both early menopause and cardiovascular disease.

The Link Between Menopause and Heart Health

Hormonal changes during menopause, even at the average age, can impact cardiovascular health. Declining estrogen levels trigger changes that increase the risk of coronary heart disease, including increases in cholesterol and blood pressure, shifts in body fat distribution, loss of muscle mass, blood sugar dysregulation, and arterial stiffening.

“As the natural estrogen declines, no matter what age it happens at, cholesterol and blood pressure head up, body fat distribution shifts to the abdomen, muscle mass gets lower, blood sugars can become dysregulated and arteries stiffen,” explains Dr. Freaney, who also directs the Women’s Heart Care Program at Northwestern Medicine Bluhm Cardiovascular Institute.

Recommendations for Women and Healthcare Providers

Dr. Freaney emphasizes that women who experience premature menopause should proactively prioritize their heart health. “Notify yourself: I have to be far more proactive than my neighbor about my own heart health,” she advises. “The vast majority of heart disease is preventable, but people need to recognize that they’re at risk early in life due to the fact that effective prevention takes decades.”

She encourages women to discuss premature menopause with their doctors and inquire about strategies to protect their heart health. She highlights a gap in current medical practice, advocating for all clinicians to routinely ask about menopause history, recognizing that estrogen receptors are present throughout the body.

Historically, menopause has been primarily addressed as a gynecological issue. However, the hormonal transition affects numerous systems, including the cardiovascular system, necessitating a more integrated approach to care. Dr. Freaney notes that cardiovascular clinicians should routinely inquire about menopause history when assessing long-term cardiovascular risk.

“Historically, women have been vastly understudied in cardiovascular science, and we still have much to learn about how menopause influences heart health,” Dr. Freaney concludes.

Publication Details: Premature Menopause and Lifetime Risk of Coronary Heart Disease, JAMA Cardiology (2026). DOI: 10.1001/jamacardio.2026.0212