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Semin Reprod Med 2018; 36(05): 253-264
DOI: 10.1055/s-0038-1677463
Review Article
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Perspectives in Gamete and Embryo Cryopreservation

Laura Francesca Rienzi
1   GENERA Centre for Reproductive Medicine, Rome, Italy
2   GENERA Centre for Reproductive Medicine, Marostica (VI), Italy
,
Benedetta Iussig
2   GENERA Centre for Reproductive Medicine, Marostica (VI), Italy
,
Lisa Dovere
1   GENERA Centre for Reproductive Medicine, Rome, Italy
,
Gemma Fabozzi
1   GENERA Centre for Reproductive Medicine, Rome, Italy
,
Danilo Cimadomo
1   GENERA Centre for Reproductive Medicine, Rome, Italy
,
Filippo Maria Ubaldi
1   GENERA Centre for Reproductive Medicine, Rome, Italy
2   GENERA Centre for Reproductive Medicine, Marostica (VI), Italy
› Author Affiliations
Further Information

Publication History

Publication Date:
04 April 2019 (online)

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Abstract

Cryopreserved gametes and embryos are a major feature of human-assisted reproduction and patient care services, accounting for an increasing number of births worldwide. Since the first success obtained using frozen human spermatozoa, cryopreservation technology has been successfully extended to include oocytes and embryos, in a variety of both medical and nonmedical indications. Over the years, the available procedures have become widely implemented and the increasing evidence of its efficacy has contributed to acceptance of the technology. Nevertheless, a gold standard protocol that would be universally shared by clinics has yet to be definitively established and, therefore, research into cryopreservation of gametes and embryos cannot be considered concluded. Moreover, much effort should be committed to the definition and resolution of safety issues, the establishment of automation, and investigations about the potentiality of immature germ cells or stem cells.

Keywords

gamete - embryo - freezing - vitrification - fertility preservation
 

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