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Ethical dilemmas posed by surplus frozen embryos in Argentinean fertility centers
(American Society for Reproductive Medicine, 2021-06-08)
In Argentina, access to ART treatments has been regulated since 2013, but the law fails to define a number of important issues, including embryo disposition decisions (EDD) and national registries. Disputes regarding the ...
Embryos refrozen-thawed by vitrification lead to live births: Case report
(2011-03-01)
Objective: To describe two successful cases of utilizing refrozen blastocysts by vitrification derived from supernumerary embryos. Design: Case report. Setting: Private fertility clinic. Subjects: Two infertility couple. ...
Embryos refrozen-thawed by vitrification lead to live births: Case report
(2011-03-01)
Objective: To describe two successful cases of utilizing refrozen blastocysts by vitrification derived from supernumerary embryos. Design: Case report. Setting: Private fertility clinic. Subjects: Two infertility couple. ...
Viability of OPS Vitrified Sheep Embryos After Direct Transfer
(Wiley-Blackwell Publishing, Inc, 2009-06-01)
The aim of this study was to evaluate the viability in the effect of open pulled straw (OPS) vitrification procedure of sheep embryos after direct transference. Embryos were produced in vivo and cryopreserved in slow ...
Viability of OPS Vitrified Sheep Embryos After Direct Transfer
(Wiley-Blackwell Publishing, Inc, 2009-06-01)
The aim of this study was to evaluate the viability in the effect of open pulled straw (OPS) vitrification procedure of sheep embryos after direct transference. Embryos were produced in vivo and cryopreserved in slow ...
Effects of heat stress on development, quality and survival of Bos indicus and Bos taurus embryos produced in vitro
(2013-01-15)
Heat stress is an important cause of poor development and low survival rates in bovine embryos. Experiments were conducted to test the hypothesis that Bos indicus embryos are more resistant to heat stress than are Bos ...
Effects of heat stress on development, quality and survival of Bos indicus and Bos taurus embryos produced in vitro
(2013-01-15)
Heat stress is an important cause of poor development and low survival rates in bovine embryos. Experiments were conducted to test the hypothesis that Bos indicus embryos are more resistant to heat stress than are Bos ...
Exploring the pros and cons of new approaches for gamete cross-border donation based on fresh and vitrified oocytes
(Universa Press, 2020-06-01)
As highlighted by European statistics, the employment of donor oocytes is a growing option for women who cannot make use of their own gametes. As the potential recipients are continuously increasing in number, a donor ...
Freezing goat embryos at different developmental stages and quality using ethylene glycol and a slow cooling rate
(Arquivo Brasileiro Medicina Veterinaria Zootecnia, 2018-09-01)
The efficiency of an alternative freezing protocol for goat embryos of different morphology and quality was tested. Fifty-eight embryos on Day 6-7 stage were transferred as fresh or after freeze-thawing (n=29/group). For ...