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. 2022 Jul 7;21(8):100267. doi: 10.1016/j.mcpro.2022.100267

Fig. 2.

Fig. 2

Principal component analysis and factors analysis of oocyte heterogeneity. PCA of the proteomic data from 34 human oocytes obtained from 13 individuals (A) with different colors representing the levels of E2/fol (B) and progesterone (C) on trigger day, different regimens of ovarian stimulation (D), and different ovulation trigger strategies (E). Ellipses show the 95% confidence interval in each group. Dotted circles denote oocytes obtained from the same individual. PCA, principal component analysis.