Evidence map›Paper›PMID 32825792›Full record

SynthesisGenes2020

The Pregnancy Outcome of Mosaic Embryo Transfer: A Prospective Multicenter Study and Meta-Analysis.

Ying Xin Zhang, Jang Jih Chen, Sunanta Nabu, Queenie Sum Yee Yeung, Ying Li, Jia Hui Tan, Wanwisa Suksalak, Sujin Chanchamroen, Wiwat Quangkananurug, Pak Seng Wong and 2 more

Abstract readMeta-AnalysisMulticenter Study
In one paragraph

Synthesis in Genes, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
47citing papers in PubMed, 5 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

47 citing papers in PubMed, 5 syntheses or guidelines pooled it.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

Ying Xin ZhangDepartment of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong 999077, China.
Jang Jih ChenSunfert International Fertility Centre Sdn. Bhd, Kuala Lumpur 59200, Malaysia.
Sunanta NabuSafe Fertility Center Co. Ltd., Bangkok 10330, Thailand.
Queenie Sum Yee YeungDepartment of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong 999077, China.ORCID 0000-0002-7847-1449
Ying LiDepartment of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong 999077, China.
Jia Hui TanSunfert International Fertility Centre Sdn. Bhd, Kuala Lumpur 59200, Malaysia.
Wanwisa SuksalakSafe Fertility Center Co. Ltd., Bangkok 10330, Thailand.
Sujin ChanchamroenSafe Fertility Center Co. Ltd., Bangkok 10330, Thailand.
Wiwat QuangkananurugSafe Fertility Center Co. Ltd., Bangkok 10330, Thailand.
Pak Seng WongSunfert International Fertility Centre Sdn. Bhd, Kuala Lumpur 59200, Malaysia.
Jacqueline Pui Wah ChungDepartment of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong 999077, China.
Kwong Wai ChoyDepartment of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong 999077, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Chromosomal mosaicism is at high occurrence in early developmental-stage embryos, but much lower in those at prenatal stage. Recent studies provided evidence on the viability of mosaic embryos by reporting pregnancy outcomes. Expanded research is warranted to evaluate its clinical significance. This is a multi-center prospective cohort study on 137 mosaic, 476 euploid and 835 non-preimplantation genetic testing (non-PGT) embryos from three in vitro fertilization (IVF) providers of three countries in Asia, applying the same preimplantation genetic testing for aneuploidies (PGT-A) reporting criteria. Mosaic embryo transfers (METs) resulted in a significantly lower clinical pregnancy rate (40.1% versus 59.0% versus 48.4%), lower ongoing/live birth rate (27.1% versus 47.0% versus 35.1%) and higher miscarriage rate (33.3% versus 20.5% versus 27.4%) than euploid and non-PGT transfers, respectively. Pregnancy losses after METs were different between embryos carrying numerical and segmental chromosomal abnormalities (

Indexed as

Abortion, SpontaneousAneuploidyEmbryo ImplantationEmbryo TransferMosaicismPregnancy RateAdultBlastocystCase-Control StudiesFemaleHumansLive BirthPregnancyPregnancy OutcomeProspective Studiesmeta-analysismosaic embryo transfer (MET)multi-centerpreimplantation genetic testing for aneuploidies (PGT-A)prospective

Identifiers

PMID32825792
PMCPMC7565393

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.