Impact of blastomere biopsy and cryopreservation techniques on human embryo viability

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Impact of blastomere biopsy and cryopreservation techniques on human embryo viability.

The purpose of the present study was to evaluate the effect of cryopreservation on 55 embryos which had one blastomere biopsied for preimplantation genetic diagnosis of aneuploidy before freezing. The thawing outcome was compared to that obtained in 94 embryos which derived from our conventional freezing programme in patients with comparable characteristics who were treated in the same period. ...

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Introduction: Infertility is a common phenomenon in modern societies. Today, use of assisted reproductive technologies (ARTs) for treatment of infertility is common, and cryopreservation is one of these technologies. Cryopreservation has impact on the function and percentage of fertility of human sperm. In this study, motility, viability, nitric oxide, and DNA apoptosis were assessed before and...

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Female Factors Affecting Embryo Viability. Embryo Cryopreservation

1. Summary 1. Embryonic Development and Viability in Livestock Species 1.1. Techniques for analyzing maternal contributions to embryonic viability 1.2. Physiological basis of embryonic viability in the female genital tract 2. Evaluation of Embryonic Viability 2.

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The purpose of this research was to evaluate three embryo biopsy techniques used for preimplantation genetic diagnosis (PGD) in cattle and to recommend the least invasive one for current use, especially when PGD is followed by embryo cryopreservation. Three hundred bovine embryos were biopsied by either one of the needle, aspiration or microblade method, and then checked for viability by freezi...

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impact of cryopreservation process on viability, nitric oxide and dna apoptosis in fertile human spermatozoa

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ژورنال

عنوان ژورنال: Human Reproduction

سال: 1999

ISSN: 1460-2350

DOI: 10.1093/humrep/14.3.770