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What is the threshold of mature oocytes to obtain at least one healthy transferable cleavage-stage embryo after preimplantation genetic testing for fragile X syndrome?

Human reproduction (Oxford, England) - 18 Oct 2021

Sonigo C, Mayeur A, Sadoun M, Pinto M, Benguigui J, Frydman N, Monnot S, Benachi A, Steffann J, Grynberg M

Abstract excerpt

STUDY QUESTION: What are the chances of obtaining a healthy transferable cleavage-stage embryo according to the number of mature oocytes in fragile X mental retardation 1 (FMR1)-mutated or premutated females undergoing preimplantation genetic testing (PGT)? SUMMARY ANSWER: In our population, a cycle with seven or more mature oocytes has an 83% chance of obtaining one or more healthy embryos. WHAT IS KNOWN...

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PMID: 34568938
DOI: 10.1093/humrep/deab214

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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