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Morphometric Protocol for the Objective Assessment of Blastocyst Behavior During Vitrification and Warming Steps
Published on: February 28, 2019
Sequential embryo assessment outperforms investigator-driven morphological assessment at selecting a good quality
Evelyn Neuber1, Neal G Mahutte, Aydin Arici
1Center for Reproductive Medicine and Infertility, Yale University School of Medicine, New Haven, Connecticut, USA. neuber@uchc.edu
Fertility and Sterility
|February 28, 2006
Summary
A new sequential embryo assessment algorithm significantly improved selecting the best embryos for in vitro fertilization (IVF) treatment. This method outperformed traditional morphology-only assessments for identifying high-quality blastocysts.
Area of Science:
- Reproductive medicine
- Embryology
- In vitro fertilization (IVF)
Background:
- Embryo selection is crucial for successful in vitro fertilization (IVF).
- Traditional methods rely solely on morphology.
- Predicting day 5 blastocyst development from day 3 embryos remains challenging.
Purpose of the Study:
- To compare the efficacy of a sequential embryo assessment algorithm versus morphology-only assessment.
- To determine which method best identifies day 3 embryos with the potential for high-quality day 5 blastocyst development.
Main Methods:
- A sequential embryo assessment algorithm was developed and applied.
- Morphology-only assessment was used as a comparator.
- Both methods were evaluated within the same IVF clinic setting.
Main Results:
- The sequential embryo assessment algorithm demonstrated significantly superior performance.
- The algorithm was more effective in selecting the optimal embryo for transfer.
- The algorithm showed a higher success rate in identifying embryos that develop into blastocysts.
Conclusions:
- The sequential embryo assessment algorithm offers improved embryo selection in IVF.
- This advanced method surpasses traditional morphology-only assessment for predicting blastocyst development.
- Implementing this algorithm can enhance IVF treatment outcomes.

