Menopause Before Age 40 Tied to Higher Lifetime Heart Disease Risk: Study - Video

A new study published in JAMA Cardiology reveals that women who experience premature menopause before age 40 face a significantly higher lifetime risk of Coronary Heart Disease. The research found that these women are about 40% more likely to develop heart disease compared to those who reach menopause at a later age, highlighting menopause timing as a critical factor in long-term cardiovascular health.

Led by Priya Freaney of Northwestern University, the study analyzed data from over 10,000 postmenopausal women aged 55 to 69. Participants were drawn from six long-term U.S. cohorts within the Cardiovascular Disease Lifetime Risk Pooling Project, spanning several decades. None had heart disease at baseline, and all experienced natural menopause.

Over time, researchers recorded hundreds of coronary events, including heart attacks and cardiovascular deaths. Even after adjusting for major risk factors such as smoking, obesity, hypertension, and diabetes, premature menopause remained strongly associated with increased lifetime heart disease risk—41% higher in Black women and 39% higher in white women.

Interestingly, while overall risk was higher, the age at which heart disease developed was similar across groups. This suggests that women with early menopause do not necessarily develop heart disease earlier but are more likely to experience it at some point in life.

The underlying mechanism is not fully understood, but declining estrogen levels are believed to play a central role. Estrogen helps protect blood vessels and regulate metabolism, so its early loss may accelerate cardiovascular risk. Experts also suggest that premature menopause may reflect underlying inflammation or metabolic dysfunction.

These findings reinforce the importance of including reproductive history in cardiovascular risk assessment. Women with early menopause may benefit from earlier prevention strategies, including lifestyle changes and regular monitoring of heart health indicators.

REFERENCE: Freaney PM, Ning H, Carnethon M, et al. Premature Menopause and Lifetime Risk of Coronary Heart Disease. JAMA Cardiol. Published online March 18, 2026. doi:10.1001/jamacardio.2026.0212