The Role of Estrogen in Heart Health

Estrogen has a protective effect on the cardiovascular system. Before menopause, it helps keep blood vessels flexible, supports healthy cholesterol levels, and assists with blood pressure regulation. During perimenopause, which is the transitional period leading up to menopause, estrogen levels begin to fluctuate. After menopause, estrogen levels decline and remain consistently lower, reducing this natural protection.

As a result, a woman’s risk for heart disease increases after menopause, even if she has never had heart problems before.

How Menopause Affects

Devi Chakravorty

Cholesterol

Cholesterol changes are common during perimenopause and menopause. Lower estrogen levels are associated with an increase in LDL, often referred to as “bad” cholesterol, and a decrease in HDL, known as “good” cholesterol. Triglyceride levels may also rise.

These shifts can happen gradually and without noticeable symptoms. Over time, higher LDL cholesterol can lead to plaque buildup in the arteries, raising the risk for heart attack and stroke. This makes regular cholesterol screenings especially important for women in midlife.

Blood Pressure and

Hormonal Changes

Blood pressure is another key factor influenced by hormonal changes. Estrogen helps blood vessels relax and widen, which supports healthy blood flow. When estrogen levels drop, blood vessels may become stiffer, causing blood pressure to increase.

Other changes during perimenopause can also affect blood pressure, including weight gain, sleep disturbances, increased stress, and changes in how the body processes insulin. High blood pressure often develops silently, so routine monitoring is essential even when a woman feels well.

Why Cardiovascular Risk

Increases After Menopause

The combination of rising cholesterol levels, higher blood pressure, and reduced blood vessel flexibility contributes to a higher risk of cardiovascular disease after menopause. Additional risk factors such as smoking, diabetes, family history, physical inactivity, and chronic stress can further increase that risk.

Heart disease symptoms in women may not always look like the classic chest pain many people expect. Women may experience shortness of breath, fatigue, nausea, or discomfort in the jaw, back, or neck. Recognizing these symptoms and seeking care promptly can make a critical difference.

Steps Women Can Take

to Protect Their Heart

Menopause does not determine a woman’s heart health future. There are many steps women can take to reduce risk and support their cardiovascular health, including scheduling regular checkups to monitor blood pressure, cholesterol, and blood sugar; staying physically active with both aerobic exercise and strength training; eating a heart healthy diet rich in fruits, vegetables, whole grains, lean proteins, and healthy fats; managing stress; and prioritizing good sleep.

Heart care is essential at every stage of life. By understanding how hormonal changes affect the heart, women can work with their health care providers to take proactive steps toward long-term cardiovascular health.

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Drs. Chakravorty and Webb see patients at the UPMC Health Innovation Center, 740 High St., Williamsport. To learn more about UPMC Magee-Womens services, visit UPMC.com/WomensHealthNCPA or call 570-321-3300, and to learn more about UPMC Heart and Vascular Institute services, go to UPMC.com/HeartNCPA or call 570-321-2800.