Do patient factors influence embryologists' decisions to freeze borderline blastocysts?
- 1 August 2020
- journal article
- research article
- Published by Springer Science and Business Media LLC in Journal of Assisted Reproduction and Genetics
- Vol. 37 (8), 1975-1997
- https://doi.org/10.1007/s10815-020-01843-1
Abstract
Research question To investigate whether patient factors influence the decision to freeze a blastocyst with low implantation potential. Design This experimental study assessed 170 practicing embryologists from a variety of countries who were recruited via an online survey. Participants were currently practicing embryologists, who grade blastocysts as part of this role. The survey presented decision-making 'vignettes' to participants. These included specific patient information, as well as an image of an expanded blastocyst that was of borderline quality for inner cell mass and trophectoderm, for which the embryologist selected whether or not to freeze. High/low maternal age, the presence/absence of other top quality blastocysts, and the presence/absence of previously unsuccessful IVF cycles were systematically varied within the patient information in a 2 x 2 x 2 design. Participants reported how likely they would be to freeze a particular blastocyst on a scale of 1 (Extremely Unlikely) to 7 (Extremely Likely), and whether or not they would ultimately freeze each blastocyst (Yes or No). Results Lower maternal age, no other high-quality blastocysts within the cohort, and multiple unsuccessful IVF cycles were associated with greater likelihood of recommending to freeze (P < .001). Furthermore, significant interactions among all three patient factors were noted. Conclusion This study provides evidence suggesting that when faced with an uncertain blastocyst, factors pertaining to the patient (maternal age, the presence/absence of other top quality blastocysts, and the presence/absence of previously unsuccessful IVF cycles) influence the decision to freeze.Funding Information
- Fertility Associates
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