Associations Between Gestational Weight Gain and Children's Neurodevelopment at 3 Years of Age
Authors' conclusion
Excessive GWG, insufficient GWG, and the Slow-Rapid GWG trajectory showed associations with children's noncompetent neurodevelopment. As GWG is a modifiable factor, these findings could inform early intervention for high-risk mother-child dyads.
Study context
- Population
- Mother-child pairs from the Jiangsu Birth Cohort
- Participants
- 4,177 mother-child pairs
- Exposure
- Excessive or insufficient gestational weight gain (GWG) and GWG trajectories vs optimal GWG
- Outcome
- Noncompetent neurodevelopment (Bayley-III Screening Test)
- Follow-up
- Age 3 years
Methodological detailsbirth cohort
- Birth cohort
Main finding
As reported in the abstract
Noncompetent neurodevelopment
Relative risk
1.50
Excessive · noncompetent cognitive risk
Relative risk
1.30
Insufficient · noncompetent fine motor risk
- Slow-Rapid trajectory: noncompetent cognitive development
- RR = 2.51
- Slow-Rapid trajectory: noncompetent expressive communication
- RR = 1.94
Observational data: associations, not effects.
Further findings
Noncompetent cognitive development, insufficient vs optimal GWG, by breastfeeding duration · age 3 years
- Breastfeeding ≤ 12 months
- RR = 2.07
- Breastfeeding > 12 months
- RR = 0.72
Original publication
Associations Between Gestational Weight Gain and Children's Neurodevelopment at 3 Years of Age. Obesity (Silver Spring). Published 6 April 2026. doi:10.
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