Diagnostic Efficiency of Blastocyst Culture Medium in Noninvasive Preimplantation Genetic Testing

Overview

Journal F S Rep

Specialty Reproductive Medicine

Date 2021 Jul 5

PMID 34223278

Citations 9

Authors

Jingbo Chen

Lei Jia

Tingting Li

Yingchun Guo

Shujing He

Zhiqiang Zhang

Wenlong Su

Shihui Zhang

Cong Fang

Affiliations

Soon will be listed here.

Abstract

Objective: To evaluate the diagnostic efficiency of spent blastocyst culture medium (BCM) in noninvasive preimplantation genetic testing (niPGT) by comparing the karyotype concordance with corresponding inner cell mass (ICM) among initial trophectoderm (TE) biopsy, TE re-biopsy, and BCM sampling.

Design: Re-analysis aneuploid/mosaic blastocysts donated for research by couples.

Setting: Institutional in vitro fertilization center.

Patients: A total of 12 couples donated their blastocysts, which had previously been diagnosed as aneuploid or mosaic by initial TE-biopsy preimplantation genetic testing for aneuploidy (PGT-A) for research.

Interventions: A total of 26 frozen-thawed blastocysts were re-analyzed by TE re-biopsy, ICM biopsy, and the collection of spent BCM.

Main Outcome Measures: Karyotype concordance rates.

Results: For 23 embryos diagnosed as aneuploid by initial TE biopsy, 78.3% of initial TE samples, 87.0% of TE re-biopsies samples, and 78.3% of BCM samples were concordant with corresponding ICM samples, and for three mosaic embryos, the concordance rates with ICM of these three groups were 0%, 100%, and 100%, respectively. With the corresponding ICM result as the true result, sensitivity of both niPGT-A and initial TE were 100%; however, the false-positive rate (FPR) of initial TE was higher than that of niPGT-A (100% vs. 0).

Conclusions: niPGT-A using BCM had diagnostic efficiency similar to that of TE-biopsy PGT-A. In the case of mosaic embryos, niPGT-A using BCM may be more reliable for predicting karyotypes of ICM than initial TE biopsy.

Citing Articles

Comparison of Non-Invasive and Minimally Invasive Preimplantation Genetic Testing for Aneuploidy Using Samples Derived from the Same Embryo Culture.

Bednarska-Czerwinska A, Smolen-Dzirba J, Strychalska A, Sierka W, Wroblewska U, Mermer P J Clin Med. 2025; 14(1.

PMID: 39797117 PMC: 11721003. DOI: 10.3390/jcm14010033.

Evolution of Minimally Invasive and Non-Invasive Preimplantation Genetic Testing: An Overview.

Moustakli E, Zikopoulos A, Skentou C, Bouba I, Dafopoulos K, Georgiou I J Clin Med. 2024; 13(8).

PMID: 38673433 PMC: 11050362. DOI: 10.3390/jcm13082160.

Influence of the number of washings for embryos on non-invasive preimplantation chromosome screening results.

Kang X, Wen M, Zheng J, Peng F, Zeng N, Chen Z Front Endocrinol (Lausanne). 2024; 15:1363851.

PMID: 38596225 PMC: 11002171. DOI: 10.3389/fendo.2024.1363851.

Genomic aspects in reproductive medicine.

Go M, Shim S Clin Exp Reprod Med. 2024; 51(2):91-101.

PMID: 38263590 PMC: 11140259. DOI: 10.5653/cerm.2023.06303.

Good practice recommendations on add-ons in reproductive medicine†.

Lundin K, Bentzen J, Bozdag G, Ebner T, Harper J, Le Clef N Hum Reprod. 2023; 38(11):2062-2104.

PMID: 37747409 PMC: 10628516. DOI: 10.1093/humrep/dead184.

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