Time-lapse systems (e.g., Embryoscope™ time-lapse system for IVF) take digital images at set time intervals, e.g., every 5 to 15 minutes. In IVF laboratory, time-lapse systems can be installed into an existing embryo incubator or can be used as a separate stand-alone system that combines incubation with time-lapse. Specialist software compiles the images to create a timed sequence of embryo development that can be digitally displayed on a monitor. Specific events such as timing of cleavage divisions, irregular cleavage, fragmentation, fragment resorption, blastocoele formation, and blastocyst expansion can be visualized without disturbing the culture system.
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