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. 2020 Jul 10;10(7):284. doi: 10.3390/metabo10070284

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© 2020 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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Score plot of principal component (PC) 1 versus PC2 by intervention arm. Fasting metabolites in intervention and control arms among Pregnancy and EARly Lifestyle improvement Study (PEARLS) participants: (a) during early (n = 29) and (b) mid-pregnancy (n = 18). Dimension 1 (Dim1) represents PC1 and Dimension 2 (Dim2) represents PC2. Percentage of variation in fasting metabolite levels explained by each PC is presented in parentheses. Ellipses represent 95% confidence ellipses by intervention group and larger symbols represent the center of the ellipse.