Clinical outcomes of frozen-thawed blastocysts from zygotes with no or one pronucleus for in vitro fertilization and intracytoplasmic sperm injection cycles
Abstract:Purpose
To investigate the clinical outcomes of in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) cycles using frozen-thawed blastocyst transfers derived from zygotes with no (0PN) or one pronucleus (1PN).
Methods
This retrospective study included 7084 0PN, 2238 1PN and 72266 two-pronuclear (2PN) embryos cultured into blastocyst stage from 19631 IVF and 12377 ICSI cycles between March 2018 and December 2021. Developmental potential and clinical outcomes of 0PN, 1PN and 2PN embryos were analyze… Show more
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