News Karnataka
Monday, December 11 2023
Health & Lifestyle

Obesity: A Root Cause of Future Cardiovascular Disease

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New York: A recent study highlights the profound impact of obesity before or during pregnancy as the underlying cause of future cardiovascular disease. This research reveals that obesity plays a more significant role than pregnancy complications, such as preeclampsia and gestational diabetes, in increasing the risk of developing heart disease later in life. The findings challenge conventional thinking and emphasize the importance of addressing pre-pregnancy obesity and promoting heart-healthy habits during pregnancy to mitigate the risk of cardiovascular issues in the future.

Obesity as the Primary Contributor to Heart Disease

The study, conducted by researchers at Northwestern University Feinberg School of Medicine, dispels the misconception that pregnancy complications are the primary drivers of future heart health issues. According to the corresponding author, Sadiya Khan, “adverse pregnancy outcomes are primarily indicators — and not the root cause — of future heart health.” In essence, pregnancy serves as a revealing factor that uncovers the preexisting risk for heart disease.

To arrive at this conclusion, the researchers followed 4,216 first-time pregnant individuals, monitoring them from the early stages of their pregnancies to an average of 3.7 years postpartum. At the onset of their pregnancies, the participants had an average maternal age of 27 years. Notably, 53 percent of them had a normal body mass index (BMI), while 25 percent were overweight, and 22 percent had obesity.

The Role of BMI in Pregnancy and Cardiovascular Health

The study’s findings, published in the journal Circulation Research, unveiled a significant correlation between BMI and adverse pregnancy outcomes. Individuals with overweight or obese BMIs in early pregnancy were found to have a higher risk of developing hypertensive disorders during pregnancy. This connection underscores the importance of addressing pre-pregnancy obesity as a vital factor in maternal and cardiovascular health.

Targeting Pre-Pregnancy Obesity for Interventions

The study’s results have practical implications for healthcare. By recognizing the role of pre-pregnancy obesity as a root cause of future cardiovascular risk, healthcare providers can focus on interventions and preventive measures to address this issue. The aim is to reduce the occurrence of cardiovascular events rather than waiting for them to happen.

Dr. Khan’s research highlights the concept of the “Zero trimester,” emphasizing the significance of pre-pregnancy health. Improving health during this crucial phase not only benefits pregnancy and the baby’s health but also contributes to an individual’s long-term well-being. While targeting individuals before pregnancy can be challenging, prenatal visits early in pregnancy provide an opportunity to counsel on heart-healthy habits, including diet and exercise, to mitigate the risk of future heart issues.

It is essential to emphasize that promoting weight loss during pregnancy is not recommended. Instead, the focus should be on counseling and monitoring to ensure appropriate gestational weight gain. Research has shown that pregnant individuals can safely manage their weight by adopting healthy eating habits and engaging in moderate or even vigorous exercise. This approach can contribute to better cardiovascular health outcomes and overall well-being.


The study’s revelation that pre-pregnancy obesity is a fundamental cause of future cardiovascular disease reshapes our understanding of the relationship between pregnancy, health, and heart issues. By recognizing and addressing the impact of obesity before or during pregnancy, healthcare providers can implement proactive interventions and support heart-healthy habits. Ultimately, this approach aims to reduce the risk of cardiovascular events, benefiting both maternal and long-term health.

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