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. 2019 May 17;16(10):1751. doi: 10.3390/ijerph16101751

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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The proportion of maternal BMI categories in gestational weight gain groups (IOM recommendations). Legend: There is a significant difference between the distribution of overweight/obesity and underweight (p < 0.001) and normal weight (p < 0.001) in the inadequate gestational weight gain (GWG) group. In the adequate GWG group, there is a significant difference in the distribution of underweight compared to normal weight (p < 0.001), overweight (p < 0.001), and obesity (p < 0.001). In the excessive GWG group, significant differences are between the proportion of women in underweight and normal weight categories (p < 0.001) and in the overweight and obese compared to underweight (p < 0.001) and normal weight categories (p < 0.001).