Laser-assisted hatching improves pregnancy outcomes in frozen-thawed embryo transfer cycles of cleavage-stage embryos: a large retrospective cohort study with propensity score matching.

J Assist Reprod Genet · 2023 · PMC9935798 · PMID 36609944

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a decreasing trendno p-value reported

Additionally, the LAH group showed a decreasing trend in PLR and EPR; however, differences were insignificant ( P = 0.078, P = 0.063 respectively).

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