The implantation rate of transferred embryos was significantly improved in the laser group, whereas pregnancy rates showed a tendency to increase, even though the difference did not reach statistical significance.[ 41 ] Recommendation on assisted hatching-LASER Time-Lapse Imaging Background Time-lapse is defined as an intervention that comprises undisturbed embryo culture and the prospective use of visual information obtained by time-lapse monitoring (TLM) for embryo evaluation.
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ISAR Consensus Guidelines on Add-Ons Treatment in <i>In vitro</i> Fertilization.
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