Journal
HUMAN FERTILITY
Volume 23, Issue 2, Pages 76-82Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/14647273.2019.1598586
Keywords
Embryo selection; time-lapse videography; in vitrofertilization; embryo culture; embryo viability; clinical embryology
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The recent clinical introduction of time-lapse videography intoin vitrofertilization laboratories has offered a novel opportunity for embryologists to explore improved methods for embryo selection. While the concept of uninterrupted culture of embryos provided by such systems is welcomed, the current evidence does not support its full application in routine clinical practice. The issue of whether or not algorithms for embryo selection can be extrapolated between laboratories, which may represent a major hurdle to its wide application, is currently gaining increasing attention amongst embryologists worldwide. In this commentary issues identified in time-lapse embryo selection/de-selection algorithms, such as quantitative versus qualitative parameters, are discussed alongside the reference start point for the timing system, and types of datasets used for developing and validating time-lapse algorithms. Considering these factors, alternative future research directions which could potentially solve current issues are proposed.
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