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. 2015 Oct 13;49(6):489–496. doi: 10.4132/jptm.2015.09.09

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© 2015 The Korean Society of Pathologists/The Korean Society for Cytopathology

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 1. — The frequency of chronic placental inflammation in twin placentas. (A) The frequency of villitis of unknown etiology (VUE) is not statistically different between twin and singleton placentas. (B) Non-basal type of VUE is more frequent in twin placentas than in singleton placentas (^*p<.05), but basal type of VUE is not. (C, D) The frequencies of chronic chorioamnionitis (CCA) (C) and chronic deciduitis (CD) (D) are not statistically different between twin and singleton placentas.