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257279

Clinical outcome of day 5 and day 6 blastocyst vitrification

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Last updated: 03 Jan 2025

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Abstract

Objective:
to compare survival, clinical pregnancy and ongoing pregnancy rates of blastocysts
vitrified on day 5 and those which had one day delay and vitrified on day 6.
Materials & Methods:
The study included 210 vitrified warmed cycles, 135 patients underwent vitrifivation
at day 5 (group I) and 75 patients at day 6 (group II). Blastocyst survival and clinical pregnancy/embryo transfer were primary outcomes. Ongoing pregnancy/embryo
transfer was the secondary outcome.
Result(s)
blastocyst post-warming survival rates were comparable between both groups (92.9%
(263/283) of day 5 versus 94.9% (166/175) of day 6 blastocysts). There was no statistically significant difference between the 2 groups regarding the mean number
of transferred blastocysts. Clinical pregnancy rates were 40.6% (52/128) & 43.7%
(31/71) in women who undergone vitrification at day 5and day 6 respectively with no
significant differences. Similarly, ongoing pregnancy rate was comparable between
the 2 groups, 37.5% (48/128) versus 39.4% (28/71) in groups I & II.
Conclusion(s):
blastocysts vitrified on day 5 have the same survival, clinical and ongoing pregnancy
rates of blastocysts which had one day delay and vitrified on day 6.

DOI

10.21608/egyfs.2012.257279

Keywords

Key words: Blastocyst transfer, clinical pregnancy, Vitrification

Authors

First Name

Eman A.

Last Name

Elgindy

MiddleName

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Affiliation

Department of Obstetrics and Gynecology, Zagazig School of Medicine, Zagazig University, Egypt

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Orcid

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Volume

16

Article Issue

1

Related Issue

36443

Issue Date

2012-01-01

Receive Date

2022-08-31

Publish Date

2012-01-01

Page Start

9

Page End

12

Print ISSN

1110-6352

Online ISSN

2536-9768

Article File

EGYFS_Volume 16_Issue 1_Pages 9-12.pdf

PDF . 1.7MB

Link

https://egyfs.journals.ekb.eg/article_257279.html

Detail API

https://egyfs.journals.ekb.eg/service?article_code=257279

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Type

Original Article

Type Code

319

Publication Type

Journal

Publication Title

The Egyptian Journal of Fertility of Sterility

Publication Link

https://egyfs.journals.ekb.eg/

MainTitle

Clinical outcome of day 5 and day 6 blastocyst vitrification

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Type

Article

Created At

22 Jan 2023