ArticleJournal of assisted reproduction and genetics2024
First case report of a successful delivery of a healthy boy by preimplantation genetic testing for Beckwith-Wiedemann syndrome.
Article in Journal of assisted reproduction and genetics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeTo showcase the successful use of ICSI with PGT-M to overcome Beckwith-Wiedemann syndrome (BWS)-related reproductive challenges, resulting in the birth of a healthy baby boy. By targeting the maternally inherited CDKN1C pathogenic gene variant, this report highlights the genetic interventions in BWS reproductive risk management.
methodsThis case report describes a 41-year-old woman seeking fertility assistance after a previous pregnancy revealed a fetal anomaly related to BWS. Families with BWS recurrence face challenges, as maternally inherited CDKN1C pathogenic variants contribute to approximately 40% of genetic alterations, with a potential recurrence risk as high as 50%. Genetic analysis identified a pathogenic variant in the CDKN1C gene of the fetus that was maternally inherited. The pregnancy was terminated due to the fetal anomalies. The couple underwent intra-cytoplasmic sperm injection (ICSI) combined with preimplantation genetic testing for monogenic diseases (PGT-M) and preimplantation genetic testing for aneuploidy (PGT-A).
resultsTwo embryos from IVF with low-risk PGT-M and euploid status. One transferred via frozen embryo transfer (FET) in February 2023 resulted in the successful birth of a healthy baby boy. This study reports the first successful delivery of a healthy boy after PGT-M for the CDKN1C gene variant c.79_100delinsGTGACC, contributing to the limited literature on successful outcomes for BWS.
conclusionUtilizing PGT-M in combination with IVF can lead to favorable outcomes in managing BWS-associated reproductive challenges, offering insights into potential genetic interventions and successful birth.
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