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A review of normative documents on preimplantation genetic testing: Recommendations for PGT-P

Tijdschriftbijdrage - Tijdschriftartikel

PURPOSE: Recently, preimplantation genetic testing (PGT) for polygenic conditions (PGT-P) has been introduced commercially. In view of the lack of specific guidance on this development, we analyzed normative documents on PGT for monogenic conditions (PGT-M) to understand what we can learn from these documents for recommendations for PGT-P. METHODS: We conducted a systematic review of normative guidelines and recommendations on PGT-M. The aim was to understand what the current consensus and disagreements are on ethical acceptability of PGT-M and how this compares with PGT-P. RESULTS: We analyzed 38 documents by advisory committees at the national, European, and global level. In total, 2 themes were identified, which included the following: (1) what PGT is considered appropriate for and (2) who can make decisions regarding the use of PGT. Many aspects of PGT-M documents apply to PGT-P as well. Additional factors such as the fact that PGT-P screens for risk indications of multiple polygenic conditions increase ethical difficulties regarding severity, risk, autonomy, and informed decision-making. CONCLUSION: On the basis of PGT-M normative documents, we conclude that ethical acceptability for PGT-P is limited. Our findings present various factors that have to be considered for the development of guidelines and the appropriateness of PGT.
Tijdschrift: Genetics in Medicine
ISSN: 1098-3600
Issue: 6
Volume: 24
Pagina's: 1165 - 1175
Jaar van publicatie:2022
Trefwoorden:Genetica en ontwikkelingsbiologie
Toegankelijkheid:Open