![]() Data to answer this question are now being collected. The committee did not have sufficient information when it developed the guidelines to say whether such a lower-than-recommended weight gain had a net risk or a net benefit. Nearly one-third (32.4 percent) of women in obesity class 3 gained less than the recommended amount (that is, less than 5 kilograms, or about 11 pounds). ![]() Depending on which class of obese women is being considered, as few as 18 percent and as many as 25.4 percent gained within the guideline, while half or more of the women in each class gained more than the recommended amounts. The committee’s obesity recommendations were derived primarily from data for women in obesity class 1. The three bars on the right, showing data for women in obesity classes 1, 2, and 3, reflect data that were not available to the 2009 committee. NOTE: Pregnancy Risk Assessment Monitoring System (PRAMS), 28 states and New York City included. Based on similar data the 2009 Committee to Reexamine IOM Pregnancy Weight Guidelines anticipated that women were not gaining within the recommend ranges when it revised the pregnancy weight gain guidelines.įIGURE 3-1 Proportion of women meeting gestational weight gain recommendations, full-term, singleton births in 2010, PRAMS preliminary data. The most common outcome was to gain more weight than recommended by the guidelines (as 64 percent of overweight women and 58.7 of obese women did). Among underweight and normal-weight women (40.7 percent and 37.5 percent, respectively, gained within the guidelines), while overweight and obese women were far less likely to gain the recommended amount of weight (24.6 and 22.8 percent, respectively). As can be seen, only a minority of women gained within the guidelines. PRAMS data are not nationally representative, because they cover only 28 states and the city of New York, but they are the best data available on the topic.įigure 3-1 shows a graph of PRAMS data on the proportion of women meeting the IOM weight gain guidelines. These 2010 data were derived from an analysis conducted by the Centers for Disease Control and Prevention (CDC) of data from the CDC’s Pregnancy Risk Assessment Monitoring System (PRAMS). The newest data for full-term singleton births in the United States offer context for the committee’s work in developing products to disseminate the Institute of Medicine (IOM) pregnancy weight gain guidelines. Session 1: Communicating the Pregnancy Weight Gain Guidelines
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