The study, published in JACC: Advances, addresses a major limitation in current cardiovascular medicine. Widely used risk calculators were largely developed in older populations and generally focus on factors such as age, blood pressure, cholesterol levels, smoking and diabetes. Although these measures are important, they do not fully capture health events and conditions that are specific to women. Pregnancy, in particular, can reveal biological and metabolic vulnerabilities that may later contribute to heart disease.

“Heart disease is the leading cause of death in women, yet existing risk tools were developed in older populations and ignore factors unique to women,” said senior author Robert Platt, Professor in McGill’s Department of Epidemiology, Biostatistics, and Occupational Health and Director of the School of Population and Global Health. The researchers say that pregnancy may function as an early-life stress test, exposing cardiovascular risk that might otherwise remain hidden for decades.

To build the model, the team analyzed health data from more than 260,000 women in the United Kingdom between the ages of 15 and 45 who had given birth. The participants were followed for nearly four years after delivery, allowing researchers to examine which medical, reproductive and social characteristics were associated with the emergence of cardiovascular disease during the early follow-up period. The model was then validated to assess how accurately it could distinguish women at comparatively higher and lower risk.

Among the strongest and most informative factors were complications that are already known to affect pregnancy outcomes but are not routinely incorporated into standard cardiovascular prediction tools. These included hypertensive disorders of pregnancy, such as gestational hypertension and pre-eclampsia, as well as gestational diabetes and preterm birth. Each of these conditions can reflect abnormalities in blood-vessel function, glucose regulation, inflammation or placental biology—processes that are also closely connected to future cardiovascular disease.

The model also incorporated a broader range of health and social variables. Polycystic ovary syndrome, depression, thyroid disorders, oral contraceptive use and social deprivation were among the factors identified as potentially useful for estimating future risk. Their inclusion reflects a more comprehensive view of cardiovascular health, in which reproductive history, mental health, endocrine function and living conditions can interact with traditional medical measurements.

The findings suggest that some women who would normally be considered too young for cardiovascular screening may already carry a meaningful level of risk. A woman who experiences high blood pressure during pregnancy, delivers prematurely or develops gestational diabetes may not have elevated cholesterol or a long history of hypertension immediately after giving birth. Yet these pregnancy-related events may signal underlying vascular or metabolic changes that deserve follow-up rather than being treated as isolated episodes that end at delivery.

“Millions of women who give birth each year are never considered candidates for cardiovascular risk assessment simply because of their age,” said co-author Kristian Filion, Professor in McGill’s Departments of Medicine and of Epidemiology, Biostatistics, and Occupational Health. If incorporated into routine postpartum care, the model could help clinicians decide which patients might benefit from repeated blood-pressure and metabolic monitoring, lifestyle counselling or referral to a cardiovascular specialist. Earlier intervention could, in principle, reduce the likelihood of a heart attack or stroke later in life.

The researchers emphasize that the tool is intended to estimate risk, not diagnose heart disease or replace clinical judgment. Its performance must also be tested in populations outside the United Kingdom before it can be used broadly. The next step is validation in Canada and the United States, where patterns of healthcare access, ethnicity, pregnancy care and social deprivation may differ. In the longer term, the team hopes to develop a practical calculator that can be integrated into electronic health records, allowing pregnancy complications and other woman-specific factors to trigger personalized cardiovascular prevention at a much younger age.

Subject of Research: People

Article Title: Development and Validation of a Prediction Model for Cardiovascular Risk in Reproductive-Aged Women

News Publication Date: 27-May-2026

Web References: https://www.jacc.org/doi/10.1016/j.jacadv.2026.102760

References: JACC: Advances. DOI: 10.1016/j.jacadv.2026.102760

Keywords: cardiovascular disease, women’s health, pregnancy complications, postpartum care, gestational diabetes, hypertensive disorders of pregnancy, preterm birth, polycystic ovary syndrome, cardiovascular risk prediction, preventive medicine, McGill University

The observational study, which followed a diverse cohort of 4,269 women across nine countries over a duration of 10 to 14 years, sought to unravel the complex relationship between pregnancy complications and cardiovascular disease. The researchers meticulously analyzed various health metrics including blood pressure, triglycerides, fasting glucose, and hemoglobin A1c levels. Their findings illuminate the extent to which pre-pregnancy weight, particularly obesity and overweight conditions, contribute to an increased likelihood of developing cardiovascular risk factors during midlife.

A pivotal aspect of this study revolves around the continuity of risk factors associated with adverse pregnancy outcomes. Gestational diabetes, for instance, was found to correlate significantly with elevated levels of glucose and hemoglobin A1c. Conversely, hypertensive disorders during pregnancy were directly associated with a heightened risk for developing high blood pressure as these women transitioned into middle age. This duality underscores the notion that early intervention strategies aimed at managing weight before and during pregnancy could be instrumental in mitigating long-term cardiovascular risks.

Dr. Jaclyn Borrowman, the lead researcher and a prominent figure at Northwestern University, posits that understanding the intricate links between pregnancy complications and cardiovascular health is pivotal for developing effective preventative strategies. By identifying women who are at higher risk due to adverse pregnancy outcomes, healthcare providers can tailor interventions that optimize long-term heart health. This proactive approach has the potential not only to enhance maternal wellbeing but also to preemptively address the challenges associated with future cardiovascular diseases.

Additionally, the findings from this study prompt discussions around the importance of maintaining a healthy weight prior to pregnancy. This aspect of health management is crucial, as maintaining a normal body mass index (BMI) has been shown to significantly reduce the risk of adverse pregnancy outcomes. The research indicates a clear pattern: mothers who manage their weight effectively prior to conception tend to experience a more favorable pregnancy, thereby enhancing their cardiovascular health prospects in the long term.

The implications of this research extend far beyond the scope of pregnancy. For women who have experienced complications such as gestational diabetes or hypertension, there is a clear impetus to engage with healthcare systems proactively. This calls for a paradigm shift in how we view pregnancy; it should not merely be seen as a temporary phase but as a critical window into a woman’s lifelong health trajectory. The responsibility lies not only with the individuals to seek optimal health but also with healthcare providers to prioritize screening and risk assessments during and after pregnancy.

Furthermore, Dr. Garima Sharma, a preeminent cardiologist and advocate for women’s cardiovascular health, stresses the need for further exploration of therapeutic interventions. There is an urgent call for more extensive studies on the safety and efficacy of new anti-obesity medications for women who are pregnant or lactating—populations that have historically been marginalized in clinical trials. Addressing obesity in pre-pregnancy and postpartum periods is crucial, and exploring the pharmacological landscape could lead to more comprehensive strategies for preventing adverse health outcomes.

Through this lens, the research advocates for a holistic understanding of maternal health. By framing pregnancy as a pivotal period for assessing cardiovascular risk factors, both medical professionals and patients can engage more effectively in preventative health measures. The understanding that adverse outcomes have lasting impacts necessitates a shift in focus towards not just treating conditions as they arise but understanding their origins and trajectories.

As the study unfolds further, researchers aim to delve deeper into the connections between early pregnancy cardiovascular health and complications. The goal is to craft potential interventions that could substantially improve maternal health outcomes. Administrators in health systems worldwide are encouraged to take a proactive stance on this research, integrating its findings into actionable health policies and clinical guidelines that prioritize the wellbeing of mothers.

The urgency to address maternal cardiovascular health cannot be overstated. Adverse pregnancy outcomes, as highlighted by this study, are more than mere markers; they are significant predictors that can influence life-long cardiovascular health. As such, there should be a concerted effort among health professionals to educate women on the importance of maintaining health before and during pregnancy, creating a ripple effect that extends to the health of families and communities at large.

Ultimately, the relevance of these findings speaks to broader public health initiatives aimed at improving maternal and child health outcomes globally. Through comprehensive strategies that encompass public health education, preconception care, and improved clinical practices, we have the opportunity to enhance cardiovascular health for generations to come. Addressing the roots of these health issues now could yield substantial benefits, reducing the prevalence of cardiovascular disease—a leading cause of morbidity and mortality worldwide.

In conclusion, as this pivotal study sheds light on the interplay between pregnancy complications and cardiovascular health, it solidifies the importance of proactive health management in women. Ensuring that women have the support they need throughout their reproductive years is essential. The time has come to closely examine and act upon the implications of this research—integrating findings into standard care practices to optimize outcomes not just for expectant mothers but for their children and society as a whole.

Subject of Research: Complications during pregnancy and their impact on future cardiovascular risk
Article Title: Pre-Pregnancy Adiposity, Adverse Pregnancy Outcomes, and Cardiovascular Disease Risk in Midlife
News Publication Date: 14-Apr-2025
Web References: American College of Cardiology
References: Journal of the American College of Cardiology
Image Credits: Journal of the American College of Cardiology

Keywords: Pregnancy, Cardiovascular disease, Pregnancy complications, Obesity, Hypertension, Diabetes, Heart disease, Disease prevention, Disease intervention.