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. Author manuscript; available in PMC: 2010 May 18.
Published in final edited form as: Hum Reprod. 2009 Feb 26;24(6):1436–1445. doi: 10.1093/humrep/dep039

Figure 1. Unsupervised classification with both principal component analysis (PCA) and hierarchical clustering of 84 endometrium samples during the pre-receptive and receptive stages from natural and stimulated cycles.

Figure 1

(A) Unsupervised hierarchical clustering was performed, allowing a separation between the pre-receptive (LH+2 and hCG+2) and receptive samples (LH+7 and hCG+5). (B) PCA using the three dimensions was performed representing 43% of the data information, and confirmed the unsupervised cluster analysis. Pink circle, LH+2 and hCG+2 samples; grey circle, LH+7 samples; green circle, hCG+5 samples.