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Diverse developmental velocities of blastocyst development emerge as early as a few hours after insemination: morphokinetic analysis of fertilisation in days 4–7 blastocysts

Crossref DOI link: https://doi.org/10.1007/s10815-025-03476-8

Published Online: 2025-04-16

Published Print: 2025-06

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Fujiwara, Nanoha

Ezoe, Kenji

Coticchio, Giovanni

Cimadomo, Danilo

Rienzi, Laura

Kato, Keiichi https://orcid.org/0000-0002-1394-4532
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Article History

Received: 24 January 2025

Accepted: 31 March 2025

First Online: 16 April 2025

Declarations

:

: The Institutional Review Board of Kato Ladies Clinic approved this study on 30 March 2022 (approval number: 21–21).

: Written informed consent for the retrospective analysis of de-identified data was obtained from patients undergoing in vitro fertilisation treatment at the centre.

: Not applicable.

: The authors declare no competing interests.

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