Volume 18, Issue 3 (2015)                   mjms 2015, 18(3): 15-26 | Back to browse issues page

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Ramezani M, Salehnia M, Jafarabadi M. A Comparison of the Effect of Vitrification on the Morphology of Stimulated and Non-stimulated Human Ovaries. mjms. 2015; 18 (3) :15-26
URL: http://mjms.modares.ac.ir/article-30-755-en.html
1- Department of Anatomy, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
2- Infertility and Reproductive Health Research Center (IRHRC), Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
Abstract:   (7754 Views)
Objective: This study aimed to evaluate the effect of vitrification on the morphology of human ovarian tissue in a stimulated group compared to a non-stimulated group. Methods: Ovarian cortex biopsies collected from stimulated and non-stimulated groups were transported to the laboratory in L-15 medium. Biopsies were cut into small pieces and divided randomly into the vitrified and non-vitrified subgroups. The vitrified-warmed and fresh samples were fixed using Bouin’s solution, then passaged, sectioned and stained with hematoxylin and eosin and Masson’s trichrome. The follicles at different developmental stages were counted and evaluated. Results: Morphological observations showed that the follicles and stromal tissue had well preserved normal structures after vitrification and warming. The percentage of normal follicles in the non-stimulated non-vitrified group was 89.22%; for the non-stimulated vitrified group, it was 84.60%. In previous groups the proportion of primordial follicles were 68.7 ± 1.60% and 67.80 ± 3.71%, primary follicles were 28.60 ± 1.72% and 29.40 ± 3.51%, and secondary follicles were 3.60 ± 0.66% and 2.70 ± 1.20%, respectively. The percentage of normal follicles in the stimulated non-vitrified group was 88.18%; for the stimulated vitrified group, it was 84.19%. In stimulated non-vitrified and stimulated vitrified groups the proportion of primordial follicles were 49.70 ± 4.13% and 49.34 ± 2.86%, primary follicles were 44.50 ± 3.83% and 44.72 ± 2.68%, and secondary follicles were 5.60 ± 0.72% and 5.91 ± 0.77%, respectively. There was no significant difference between the vitrified and non-vitrified and stimulated and non-stimulated groups. Conclusion: Vitrification had no harmful effect on the morphology of stimulated human ovarian tissue and stroma and ovarain tissue structure was similar to the non-stimulated group. This method could be a good alternative for fertility preservation.
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Article Type: Original Manuscipt | Subject: Embryology
Received: 2015/03/15 | Accepted: 2015/09/23

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