If you live with polycystic ovary syndrome (PCOS), you probably think of it as a condition tied to your period, your skin, or your fertility. But PCOS/PMOS touches more than your reproductive system. Research shows it's also linked to your heart. Understanding the connection between PCOS and cardiovascular health can help you have better conversations with your doctor and make informed choices about your wellness routine.
This article breaks down what current research says about PCOS/PMOS and heart disease risk, why the connection exists, and what factors you can be mindful of. As always, this is educational information, not medical advice.
What Is PCOS, and Why Does It Matter for Your Heart?
PCOS is a chronic condition that affects the body in many systems, not just the reproductive one, and it's estimated to affect up to 5 million women of reproductive age in the United States. It's driven by a hormonal imbalance, and it can involve insulin resistance, where the body has trouble using insulin properly. This can lead to higher blood sugar levels over time.
Doctors have long known that PCOS/PMOS is connected to irregular periods, acne, and excess hair growth. But over the past several years, researchers have paid closer attention to a less visible piece of the picture: cardiovascular risk factors like blood pressure, cholesterol, and blood vessel health.
What the Research Shows About PCOS/PMOS and Cardiovascular Disease
A growing body of scientific literature points to a real link between PCOS and heart-related conditions. A 2025 statement from cardiology and PCOS researchers found that women with PCOS had notably higher rates of arrhythmia, coronary artery disease, heart attack, and stroke compared to women without the condition. Multiple studies have found that people with PCOS face a higher risk of cardiovascular disease overall, including heart attacks, ischemic heart disease, and stroke, when compared with the general population.
Researchers are also looking closely at why this connection exists. Evidence suggests the added cardiovascular risk is strongly tied to conditions that often occur alongside PCOS, such as high blood pressure, abdominal weight gain, unhealthy cholesterol levels, insulin resistance, and early changes in the arteries. In other words, PCOS doesn't affect the heart directly on its own. Instead, it tends to travel with a cluster of metabolic factors that, together, add up to greater cardiovascular strain.
This risk isn't limited to women who are managing their weight. A 2025 study looked specifically at younger women with PCOS who were not overweight and examined whether PCOS itself, independent of body weight, was tied to long-term cardiovascular disease risk. This kind of research matters because it challenges the assumption that heart risk with PCOS is only about body weight. It suggests the hormonal and metabolic changes of PCOS may play their own role.
It's also worth noting that research in this space is evolving. A large 2026 study from Penn Medicine, using data from more than 2 million participants, found that people with the condition (now also referred to in some research circles as PMOS) were roughly two and a half times more likely to experience a heart attack or stroke during the study period, even after accounting for other known risk factors. That's a significant finding, and it's a reminder that scientists are still working to fully understand how PCOS and heart disease are connected.
Beyond Metabolism: Sleep, Mood, and Heart Health
One of the more interesting threads in recent research is how sleep and mental health fit into this picture. A 2026 study on cardiovascular risk factors in PCOS found that poor sleep quality played a meaningful role in cardiovascular health among people with PCOS, and that sleep is closely tied to mental health symptoms like depression and anxiety, both of which are also recognized cardiovascular risk factors. The same research found that people with PCOS reported higher rates of modifiable psychosocial and behavioral cardiovascular risk factors, regardless of body mass index.
This tells us that heart health isn't just about numbers on a lab report. Sleep habits, stress levels, and emotional wellbeing all seem to be part of the bigger picture for people managing PCOS.
What Factors Are Involved in PCOS-Related Heart Risk?
Based on current research, several overlapping factors appear to contribute to cardiovascular risk in people with PCOS/PMOS:
- Insulin resistance. This is when the body doesn't respond normally to insulin, which can affect blood sugar regulation over time.
- Blood pressure and cholesterol changes. These are commonly seen alongside PCOS and are well-established cardiovascular risk factors on their own.
- Abdominal weight distribution. Where the body stores weight can be a factor independent of total body weight.
- Sleep quality. Poor sleep has been linked to both metabolic and cardiovascular strain.
- Mental health. Anxiety and depression, which are more common in people with PCOS, are also tied to cardiovascular risk in the broader population.
None of these factors work alone. They tend to interact, which is part of why researchers describe PCOS as a "multi-system" condition rather than something that only affects the ovaries.
Why Awareness Matters
Understanding this research doesn't mean every person with PCOS will develop heart disease. It means cardiovascular health is worth paying attention to as part of a broader PCOS care conversation, alongside the reproductive and metabolic symptoms that usually get more attention.
If you have PCOS, sharing your diagnosis with your healthcare provider — even if your main concern is period regularity or skin changes — gives them a fuller picture. They may recommend routine screening for blood pressure, cholesterol, or blood sugar as part of your regular care, based on your individual health history.
The Bottom Line
Research continues to build a clearer picture of how PCOS and cardiovascular health are connected. Hormonal changes, insulin resistance, sleep quality, and mental health all appear to play a role. While scientists are still working out exactly how these pieces fit together, the message for anyone with PCOS is clear: your heart health is part of your PCOS story, not separate from it.
Sources:
- Geraci G, Riccio C, Oliva F, et al. "Women with PCOS have a heightened risk of cardiometabolic and cardiovascular diseases: statement from the Experts Group on Inositol in Basic and Clinical Research and PCOS (EGOI-PCOS) and Italian Association of Hospital Cardiologists (ANMCO)." Frontiers in Cardiovascular Medicine, 2025. https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2025.1520490/full
- "Modifiable cardiovascular risk factors in people with polycystic ovarian syndrome (PCOS): Findings from the endocrine and mental health study." PMC, 2026. https://pmc.ncbi.nlm.nih.gov/articles/PMC13261247/
- Zhao X, Wang J, Sun D, et al. "Nonobese young females with polycystic ovary syndrome are at high risk for long-term cardiovascular disease." European Journal of Preventive Cardiology, 2025. https://pubmed.ncbi.nlm.nih.gov/39563606/
- U.S. Food and Drug Administration, Office of Women's Health. "Polycystic Ovary Syndrome (PCOS)" fact sheet. https://www.fda.gov/media/192555/download
- Penn Medicine News. "PMOS, formerly PCOS, raises risk of atherosclerotic cardiovascular disease, heart attacks, strokes." 2026. https://www.pennmedicine.org/news/pmos-raises-risk-of-heart-disease
