Encyclopedia of Autism Spectrum Disorders

Living Edition
| Editors: Fred R. Volkmar

Maternal Obesity and ASD Risk

  • Yong-Jiang Li
  • Ya-Min LiEmail author
Living reference work entry

Latest version View entry history

DOI: https://doi.org/10.1007/978-1-4614-6435-8_102211-2


Obesity is a nutritional and metabolic life-course condition with excessive accumulation of adipose tissue that affects health adversely. Body mass index (BMI) calculated as weight in kilograms divided by height in meters squared was used for the definition of obesity. By this measure, obesity is defined as a BMI ≥30 kg/m2 for adults. Furthermore, BMI values were classified in the following categories: underweight <18·5; normal 18.5–24.9; overweight 25–29.9; obese class I 30–34.9, obese class II 35–39.9; obese class III ≥ 40 according to the National Institute of Health guidelines on obesity and overweight (NIH 1998). While there is no existing definition of maternal obesity during pregnancy, a maternal prepregnancy BMI is used for the classification.

Historical Background

In 2011, Dodds et al. (2011) published their study quantifying the relationship between prenatal, obstetric, and neonatal factors and autism risk. They first reported that prepregnancy weight of 90 kg or...

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References and Reading

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Authors and Affiliations

  1. 1.Department of PharmacyThe Second Xiangya Hospital, Central South UniversityChangshaChina
  2. 2.Clinical Nursing Teaching and Research SectionThe Second Xiangya Hospital, Central South UniversityChangshaChina