Mitochondrial DNA copy number as a predictor of embryo viability

Although the prediction of embryo viability by means of assessment of mitochondrial DNA level seemed to be promising, additional studies and randomized controlled trials are urged to establish its clinical legitimacy and broad applicability.

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Volume 111, Issue 2, Pages 205–211

Authors:

Gustavo N. Cecchino, M.D., Juan A. Garcia-Velasco, M.D., Ph.D.

Abstract:

The evaluation of embryo viability is typically based on morphologic and morphometric grading systems, which are known to be heavily affected by differences in subjective judgement. A significant proportion of euploid embryos do not implant even when the endometrium is normal, despite the wide incorporation of preimplantation genetic testing for aneuploidy. The need to improve reproductive outcomes following assisted reproductive treatments is culminating in the emergence of new research and technology with the potential to enhance embryo selection. The assessment of mitochondrial DNA content as a predictor of embryo viability has gained increasing attention among numerous promising approaches. As is common with new tools, this attention has led to both inflated expectations and serious disillusionment. Here we gather evidence to establish the true clinical applicability of this method. Controversy continues to surround this topic, adding both interest and confusion.


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Fertility and Sterility

Editorial Office, American Society for Reproductive Medicine

Fertility and Sterility® is an international journal for obstetricians, gynecologists, reproductive endocrinologists, urologists, basic scientists and others who treat and investigate problems of infertility and human reproductive disorders. The journal publishes juried original scientific articles in clinical and laboratory research relevant to reproductive endocrinology, urology, andrology, physiology, immunology, genetics, contraception, and menopause. Fertility and Sterility® encourages and supports meaningful basic and clinical research, and facilitates and promotes excellence in professional education, in the field of reproductive medicine.

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