June 10, 2026 · American journal of perinatology · DOI: 10.1055/a-2870-6657

Association between Maternal Pre-Pregnancy BMI and Early Motor Development in Chinese Infants: A Prospective Birth Cohort Study

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This study investigates the relationship between maternal pre-pregnancy body mass index (BMI) and early motor development in infants during their first year of life. The findings indicate that higher pre-pregnancy BMI is associated with increased risk of motor development delays, particularly with a significant threshold at BMI ≥25 kg/m², highlighting the importance of weight management before conception for optimizing infant neurodevelopment.

Qimeng Fan, Xin Li, Juping Liang, Xiaoyan Yang, Zhengquan Chen, Weiwei Deng, Xiaoqing Zhu, Mengdie Jin, Dan Yang, Yongfang Huang, Qing Du

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