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31 sie 2023 · Being born small for gestational age (SGA), often defined as a birth weight percentile (BWP) of lower than 10% for gestation, has been repeatedly shown to be associated with lower scores on intelligence tests (IQ)—an important predictor of a variety of long-term outcomes such as academic and occupational achievement, as well as physical ...
21 gru 2017 · Multiple studies have reported that individuals with low birth weights (LBW, <2500 g) have a lower intelligence quotient (IQ) than those with normal birth weights (NBW, ≥2500 g).
10 maj 2017 · Objectives: We examined the associations between birth weight and intelligence at 3 different adult ages. Methods: The Copenhagen Perinatal Cohort is comprised of children born in Copenhagen...
18 maj 2017 · Compared to babies born at 2.5 kg or less, infants with a birth weight of 3.5 to 4 kg scored more than five points higher on IQ tests at age 28 and again at age 50, the study found.
Based on 57 eligible individual studies including 12,137 participants, we performed a meta-analysis to estimate the association between low birth weight and individuals’ IQ scores (IQs). The pooled weight mean difference (WMD) in IQs between NBW and LBW individuals was 10 (95% CI 9.26–11.68).
14 lip 2010 · This research on birth weight and intelligence indicates that small size at birth (<2,500 g) due to prematurity or low weight at term is associated with reduced intelligence. It is less clear, however, whether birth-weight variations within the normal range are associated with differences in intelligence . Most investigators have focused on ...
1 lip 2020 · We observed that greater weight at birth was associated with higher IQ in childhood; per z-score increase, the IQ score increased by 1.22 (95% CI: 0.50, 1.94) points. Also, length and head circumference at birth were positively but nonsignificantly associated with IQ in childhood.
