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Fig. 1 | BMC Medical Genomics

Fig. 1

From: Amniotic fluid cell-free transcriptome: a glimpse into fetal development and placental cellular dynamics during normal pregnancy

Fig. 1

Principal component analysis of amniotic fluid cell-free RNA expression in normal pregnancy. The principal components (PC) were derived from expression of the top 1000 most varying genes (unsupervised selection). The first panel (a) depicts each sample based on the first two principal components (PC1 and PC2). The values in parentheses are the % of variance explained by each principal component. TNL: term not in labor. The linear correlation between gestational age and PC1 is also shown in panel (b)

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