ResearchObstetricsTrends in gestational weight gain: the Pregnancy Risk Assessment Monitoring System, 2000–2009
Section snippets
Materials and Methods
We used data from the PRAMS, an ongoing, state-representative, population-based surveillance system of the Centers for Disease Control and Prevention (CDC) and state health departments. PRAMS collects information in participating states about maternal behaviors and experiences before, during, and after pregnancies resulting in live infants. In each participating site, PRAMS uses birth certificates to draw a stratified sample of live births, and oversamples certain high-risk populations.
Results
Women in the sample had an overall mean GWG of 31.3 lb. Approximately 35.8% of women had GWG within IOM recommendations, 44.4% gained above recommendations, and 19.8% gained below recommendations (Table 1). Of the 124,348 women in the final sample, the majority had a normal prepregnancy BMI (53.4%), were <30 years of age (61.3%), were non-Hispanic white (74.3%), had a post-high school education (57.7%), were multiparous (60.8%), were not enrolled in Medicaid at delivery (64.5%), were nonsmokers
Comment
We examined trends in GWG from 2000 through 2009 in a US state-representative, population-based sample and found that among women with singleton, full-term live birth, there has been a significant decrease in the proportion gaining within IOM recommendations, falling from 37.5% in 2000 through 2001 to 34.2% in 2008 through 2009, while the proportion gaining above IOM recommendations increased from 42.5-45.5% during the same time period. However, these trends differed by prepregnancy BMI.
Acknowledgments
The authors thank the members of the Pregnancy Risk Assessment Monitoring System Working Group for their work in data collection.
Alabama–Izza Afgan, MPH
Alaska–Kathy Perham-Hester, MS, MPH
Arkansas–Mary McGehee, PhD
Colorado–Alyson Shupe, PhD
Connecticut–Jennifer Morin, MPH
Delaware–George Yocher, MS
Florida–Avalon Adams-Thames, MPH, CHES
Georgia–Chinelo Ogbuanu, MD, MPH, PhD
Hawaii–Emily Roberson, MPH
Illinois–Theresa Sandidge, MA
Iowa–Sarah Mauch, MPH
Louisiana–Amy Zapata, MPH
Maine–Tom Patenaude, MPH
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Members of the Pregnancy Risk Assessment Monitoring System Working Group who prepared data collection for this research are listed in the Acknowledgments.
Funding was provided by the Centers for Disease Control and Prevention (CDC).
The authors report no conflict of interest.
The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the CDC.
Cite this article as: Johnson JL, Farr SL, Dietz PM, et al. Trends in gestational weight gain: the Pregnancy Risk Assessment Monitoring System, 2000–2009. Am J Obstet Gynecol 2015;212:806.e1-8.