Maternal prepregnancy body mass index and gestational weight gain on offspring overweight in early infancy

Nan Li1, Enqing Liu, Jia Guo

  • 1Tianjin Women's and Children's Health Center, Tianjin, China ; Chronic Disease Epidemiology Laboratory, Pennington Biomedical Research Center, Baton Rouge, Louisiana, United States of America.

Plos One
|November 9, 2013
PubMed

Insights

Maternal prepregnancy overweight/obesity and excessive gestational weight gain (GWG) are linked to greater infant growth. Excessive GWG increases the risk of childhood overweight and obesity.

Area of Science:

  • Pediatrics
  • Obstetrics
  • Public Health

Background:

  • Maternal prepregnancy body mass index (BMI) and gestational weight gain (GWG) are critical factors influencing offspring's early growth and development.
  • Understanding these associations is vital for developing targeted interventions to promote healthy child development.

Purpose of the Study:

  • To evaluate the association between maternal prepregnancy BMI and GWG with offspring anthropometry from birth to 12 months in Tianjin, China.

Main Methods:

  • A cohort of 38,539 pregnant women and their children were studied between 2009 and 2011.
  • Offspring anthropometry was measured at birth and at 3, 6, 9, and 12 months.
  • General Linear Models and Logistic Regression were used to analyze the associations.

Main Results:

  • Maternal prepregnancy BMI and GWG positively correlated with offspring's birth weight and length Z-scores.
  • Excessive GWG led to significant changes in weight-for-age and length-for-age Z-scores in infants.
  • Excessive GWG was associated with a higher risk of offspring overweight or obesity at 12 months.

Conclusions:

  • Maternal overweight/obesity and excessive GWG are linked to accelerated infant weight and length gain.
  • Excessive GWG significantly elevates the risk of infant overweight and obesity.
Abstract

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