Delivering embryos following 10 years of cryopreservation, using unpaired freeze/thaw techniques: A case report
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Citações na Scopus
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Tipo de produção
article
Data de publicação
2021
Título da Revista
ISSN da Revista
Título do Volume
Editora
SOC BRASILEIRA REPRODUCAO ASSISTIDA-SBRA
Autores
MELANTONIO, Priscila
ATTIVO, Jessica
GOMES, Alecsandra P.
BONETTI, Tatiana C. S.
Citação
JORNAL BRASILEIRO DE REPRODUCAO ASSISTIDA, v.25, n.4, p.644-646, 2021
Resumo
Although frozen embryo transfer is a widely established route for assisted reproduction, successful frozen embryo transfer using embryos that have undergone long term cryopreservation remains relatively unexplored, and its efficacy remains a matter of some debate. This case report describes two successful frozen embryo transfer conceptions in the same patient, one after 3 months of cryopreservation and the second 10 years after cryopreservation. These embryos were cryopreserved using the slow freezing technique and were thawed using an unpaired technique (ultra-rapid warming) after 10 years of storage.
Palavras-chave
in vitro fertilization, long-term embryo cryopreservation, slow freezing, vitrification
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