Cryo-survival, fertilization and early embryonic development of vitrified oocytes derived from mice of different reproductive age.

Journal of Assisted Reproduction and Genetics
Jie YanRi-Cheng Chian

Abstract

to evaluate the effect of female reproductive age on oocyte cryo-survival, fertilization and the subsequent embryonic development following vitrification using the mouse model in order to address the question of how maternal reproductive age is related to fertility preservation. oocytes were collected from mice of different reproductive age: (1) 8-10 weeks, (2) 16-20 weeks, (3) 32-36 weeks, and (4) 44-48 weeks. Following vitrification and warming, the oocytes in each group were assessed for cryo-survival, fertilization and embryonic development as well as for the quality of blastocysts. Fresh oocytes without undergoing vitrification were used in each age group as controls. the mean number of oocytes retrieved following superovulation was found to reduce significantly (P < 0.05) in mice from 32-36 weeks of age (18.1 ± 8.5) compared with 8-10 weeks of age (26.8 ± 9.8) and 16-20 weeks of age (23.9 ± 4.2) respectively. The cryo-survival rate of oocytes was reduced significantly (P < 0.05) in mice of 44-48 weeks of age (90.4% ± 7.9) compared with the other 3 groups (98.8% ± 2.1, 98.0% ± 3.3 and 98.5% ± 2.2, respectively). The cleavage rate of vitrified oocytes declined significantly following the increase in maternal age in mice of ...Continue Reading

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Citations

Dec 19, 2012·Journal of Assisted Reproduction and Genetics·Deirdre Zander-FoxMichelle Lane
Oct 27, 2010·Reproduction : the Official Journal of the Society for the Study of Fertility·Joseph Saragusty, Amir Arav
May 17, 2014·Journal of Assisted Reproduction and Genetics·N ItamiH Iwata
Nov 17, 2015·Iranian Red Crescent Medical Journal·Neda Abedpour, Farzad Rajaei
Jul 15, 2016·Scientific Reports·Lu ZhangJie Qiao
Sep 7, 2012·Reproduction, Fertility, and Development·Gábor Vajta
Feb 2, 2016·Reproduction, Fertility, and Development·Shun TakeoHisataka Iwata

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