January 19, 2026

Time-Lapse Algorithms Improve Embryo Selection in IVF

Time-lapse incubators with built-in cameras capture embryo growth continuously, enabling detailed analysis of developmental patterns. Algorithms like EEVA and Bourn Hall’s custom model help embryologists identify high-potential embryos, with some showing up to 50% pregnancy success rates.


Key Takeaways

Non-Invasive Embryo Monitoring with Time-Lapse Incubators

Time-lapse incubators use embedded cameras to capture embryo development every 5 minutes without disturbing them. This eliminates the need for traditional grading methods that require removing embryos from their environment, reducing stress and improving culture conditions.

Comparing Traditional Grading vs Time-Lapse Embryo Analysis

While traditional grading assesses embryo appearance, time-lapse analysis tracks developmental timing and patterns. This provides insights into critical milestones, such as the duration to reach the 4-cell stage, which correlate with pregnancy potential.

EEVA Algorithm Predicts Embryo Viability with First-Two-Day Markers

EEVA (Early Embryo Viability Assessment) focuses on developmental markers during the first two days of embryo growth. By analyzing cleavage patterns and timing, it assigns viability scores to prioritize embryos with higher implantation likelihood.

Bourn Hall’s Custom Algorithm Identifies High-Potential Embryos

Bourn Hall Clinic developed a lab-specific algorithm using data from their GERI incubators. Early results show it distinguishes embryos with 50% pregnancy success rates from those with 20%, outperforming generic algorithms in context-specific accuracy.

Future of Embryo Selection: Algorithms + Embryologist Expertise

Combining time-lapse algorithms with embryologists’ experience may optimize embryo selection. While further testing is needed, integrating objective data with human judgment promises higher IVF success rates by prioritizing genetically robust embryos.


Source: Read full article