Low Birth Weight is increasingly being linked to serious long-term cardiovascular risks, including heart disease and stroke, according to multiple recent studies. Health experts warn that low birth weight (LBW) is not just a neonatal concern but a lifelong risk factor affecting heart health.
Research indicates that babies born with low weight are more likely to develop structural and functional abnormalities in the heart and blood vessels. These changes can impair circulation, increase blood pressure, and elevate the risk of conditions such as coronary artery disease, ischemic stroke, and even heart failure later in life. Scientists attribute this to restricted growth in the womb, which may permanently alter the body’s cardiovascular system.
Recent international findings, including those presented at the European Congress on Obesity, show that individuals with lower birth weight face over 20% higher risk of stroke, regardless of their weight in adulthood. This highlights how early developmental factors can override lifestyle-related risks later in life.
In the Indian context, the burden of low birth weight remains significant. A study by the Indian Institute of Public Health, Delhi (New Delhi) using data from the National Family Health Survey (2019–2021) found that 17.29% of newborns in India are born with low birth weight, with around 6% classified as very low birth weight (below 1500 grams).
The study, which analysed data from over 175,000 mothers, identified key socio-economic determinants. Higher levels of maternal education and improved household wealth were associated with lower chances of low birth weight. However, surprisingly, the number of antenatal care (ANC) visits did not show a statistically significant impact on reducing LBW incidence, raising concerns about the quality rather than just the quantity of maternal healthcare services.
Experts stress that poor maternal nutrition, inadequate prenatal care, and underlying health conditions during pregnancy are major contributors to low birth weight. These factors can hinder the proper development of vital organs, particularly the heart, setting the stage for chronic diseases.
Public health specialists are calling for a stronger focus on improving maternal nutrition and enhancing the effectiveness of antenatal care programs. They emphasize that early interventions—from pregnancy through childhood—can play a critical role in reducing the long-term burden of cardiovascular diseases.
The findings reinforce a crucial message: improving birth outcomes is not just about reducing infant mortality, but also about preventing future heart disease and safeguarding lifelong health.