Does the developmental stage at freeze impact on clinical results post-thaw?

The value of cryopreserving prezygotes, pre-embryos or blastocysts for future thaw and transfer is an important consideration of every IVF program. The convergence of two factors, a higher pregnancy rate and a lower multiple gestation rate, can be managed effectively through the establishment of a s...

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Bibliographic Details
Published in:Reproductive biomedicine online 2003, Vol.6 (3), p.367-374
Main Author: Veeck, Lucinda L
Format: Article
Language:English
Subjects:
blastocyst
Blastocyst - pathology
cryopreservation
Cryopreservation - methods
Cryoprotective Agents - pharmacology
Embryo Transfer
Embryo, Mammalian - pathology
Female
Fertilization in Vitro - methods
freeze
Freezing
Humans
Pregnancy
Pregnancy Outcome
Pregnancy Rate
Specimen Handling
thaw
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Summary:The value of cryopreserving prezygotes, pre-embryos or blastocysts for future thaw and transfer is an important consideration of every IVF program. The convergence of two factors, a higher pregnancy rate and a lower multiple gestation rate, can be managed effectively through the establishment of a successful cryopreservation programme. In this article, freezing and thawing results from pronuclear oocytes, pre-embryos, and blastocysts are compared.
ISSN:1472-6483
1472-6491
DOI:10.1016/S1472-6483(10)61859-7