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. 2013 Mar 14;59(3):288–295. doi: 10.1262/jrd.2012-157

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©2013 Society for Reproduction and Development

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (by-nc-nd) License.

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Fig. 4. — Proportions of ultrastructural alterations of follicles in the vitrification Group (VG) and fresh Group (FG) after 7 days of in vitro culture. The proportions of alterations (change of microvilli, change of mitochondria cristae in the oocyte, reduced numbers of ER, rupture of the oolemma, change of the homogenous zona pellucida (ZP), change of the perivitelline space (PVS), change of the GC) in follicles were analyzed in VG and FG after 7 days of in vitro culture. No significant difference was found between the two groups.