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Birth Weight Predicts Academic Success

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Birth Weight Predicts Academic Success

N
Nariene

2 Views • Oct 18, 2025

Description

Discover a surprising link between a child's **birth weight** and their **academic performance** throughout school! Research from **Northwestern University**, published in the **American Economic Review**, reveals how a longer **gestation period** and greater **birth weight** may impact a child's future **school success**.

This extensive study tracked over 1.3 million children and 15,000 pairs of twins, showing a consistent correlation between birth weight and **reading and math scores** from **primary education** through **secondary education**. For instance, children born at 4.5 kg consistently scored higher than those born at 3 kg. The findings even held true for **twins**, indicating that the heavier twin generally achieved better **academic results**, regardless of factors like **socioeconomic status** or **maternal education**.

Co-author David Figlio discusses how a child born healthy doesn't necessarily have a fully formed brain, emphasizing the importance of time in the **mother's womb**. While **birth weight** is a significant factor in **child development** and **brain development**, it's reassuring to know it doesn't seal a child's destiny.

Explore the fascinating science behind **early childhood development** and its impact on **student achievement**.

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