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Semiconductor Sequencing for Preimplantation Genetic Testing for Aneuploidy
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[Preimplantation genetic testing].

Julie Benard1, Célia Targa1,2, Fabien Murisier2

  • 1Unité de médecine de la reproduction, Département de gynécologie et obstétrique, HUG, 1211 Genève 14.

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|January 11, 2019
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Summary
This summary is machine-generated.

Preimplantation genetic testing (PGT) screens embryos for genetic disorders and aneuploidies, aiming to improve IVF success. However, PGT for aneuploidy (PGT-A) indications require further evidence and ethical consideration.

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Area of Science:

  • Reproductive Medicine
  • Genetics
  • Embryology

Background:

  • Preimplantation genetic testing (PGT) prevents transmission of monogenic diseases and chromosomal abnormalities.
  • Aneuploidies are common, contributing significantly to in vitro fertilization (IVF) failures and early miscarriages.
  • PGT for aneuploidy (PGT-A) aims to select euploid embryos for transfer in IVF cycles.

Purpose of the Study:

  • To evaluate the role and indications of PGT-A in IVF.
  • To address the controversy surrounding PGT-A due to limited evidence of improved IVF outcomes.
  • To highlight the need for cost-effectiveness and neonatal outcome data.

Main Methods:

  • Review of current practices and evidence regarding PGT-A.
  • Analysis of the impact of aneuploidies on IVF and pregnancy.
  • Consideration of ethical implications and counseling needs.

Main Results:

  • PGT-A is utilized to screen embryos for aneuploidies in IVF.
  • The clinical indications and benefits of PGT-A remain debated.
  • Evidence supporting improved IVF outcomes after PGT-A is not definitive.

Conclusions:

  • PGT-A offers potential benefits but requires more robust evidence for widespread indication.
  • Further research on cost-effectiveness and neonatal outcomes is essential.
  • Ethical considerations and patient counseling are crucial for PGT-A implementation.