Babies born to women with a prepregnancy body mass index (BMI) in the obese range (>40) were 8% larger during the first two years of their life than those who were those born to women with a BMI in the healthy range (18.5-24.9).
This is based on a new study of a multiethnic group of infants in the U.S. which got published in Childhood Obesity, a peer-reviewed journal from Mary Ann Liebert, Inc., publishers. The article is available free on the Childhood Obesity website.
‘Differences in the pace of infant growth and the time to reach peak growth rate depends on the mothers' prepregnancy body mass index (BMI).’
AdvertisementBernard Fuemmeler, PhD, MPH and coauthors from Duke University Medical Center and Duke University, Durham, and North Carolina State University, Raleigh, NC, also reported differences in the pace of infant growth and the time to reach peak growth rate depending on the mothers' prepregnancy BMI. The researchers further showed a link between greater maternal weight gain during pregnancy and larger infant size in the article "Association Between Prepregnancy Body Mass Index and Gestational Weight Gain with Size, Tempo, and Velocity of Infant Growth: Analysis of the Newborn Epigenetic Study Cohort."
The article is part of a special issue on "Childhood Obesity Risk and Prevention: First 1000 Days of Life," led by Guest Editor Elsie M. Taveras, MD, MPH, Massachusetts General Hospital for Children and Harvard Medical School, and Harvard T.H. Chan School of Public Health, Boston, MA.
"This special issue devoted to obesity risks in the first 1000 days of life brings together some of the latest research on this key issue and exemplifies the complexities," says Childhood Obesity Editor-in-Chief Tom Baranowski, PhD, Baylor College of Medicine, Houston, TX. "Fuemmeler et al. demonstrate that both maternal prepregnancy obesity and gestational weight gain were associated with infant weight trajectories in the first 24 months of life. However, Claesson et al. and Gregory et al. report in this issue that gestational weight management programs had no effect on children's weight. Whether the maternal-to-child weight relationships are causal or both reflect some unmeasured third variable remains to be determined. If causal, future research specifying the biological pathways of influence hopefully will lead to effective interventions. Stay tuned!"
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