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Erschienen in:
22.11.2020 | Review Article
Chromosomal Analysis of Pre-implantation Embryos: Its Place in Current IVF Practice
Erschienen in: The Journal of Obstetrics and Gynecology of India | Ausgabe 6/2020
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Background
The intersection of ART and molecular genetic science is fast growing. It is now possible to utilize the advances in molecular genetics for clinical application to detect chromosomal aberrations in preimplanting embryos.
As molecular genetic techniques have improved, it is now possible to test the complete characterization of human genome variation with reasonable accuracy. In this article, we have tried to summarize the common current indications of chromosomal analysis of preimplanting embryos in couples having various chromosomal dominant or chromosomal recessive heritable disorders leading to the birth of a new born baby with chromosomal aberrations or leading to repeated miscarriage.
Conclusion
The currently available techniques of embryo biopsy have their advantages and shortcomings. Today, preimplantation genetic testing to diagnose a euploid embryo is widely used in clinical practice in couples undergoing IVF ET treatment. By eliminating the transfer of aneuploid embryos, the pregnancy rate improves per embryo transfer and it shortens the time of conception from the start of IVF treatment. We have also discussed the current scenario of the place of PGT-A for routine use in IVF treatment procedure in view of the possible risk of losing euploid embryos due to the shortcoming of the embryo biopsy procedure.