Elective transfer of one embryo is associated with a higher cumulative live birth rate and improved perinatal outcomes compared to the transfer of two embryos with in vitro fertilization.

F S Rep · 2021 · PMC8244291 · PMID 34223273

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may be significantno p-value reported

However, we acknowledge that, in a retrospective cohort study, there may be other population differences not captured in the database that may be significant confounders influencing the outcomes of our study.

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