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The Fate Of Frozen Human Embryos When Transferred Either On The Day Ofthawing Or After Overnight Culture, Yanhe Liu, Kellie Peirce, Kailin Yap, Kate Mckenzie, Jay Natalwala, Vince Chapple, Margo Norman, Phillip Matson
The Fate Of Frozen Human Embryos When Transferred Either On The Day Ofthawing Or After Overnight Culture, Yanhe Liu, Kellie Peirce, Kailin Yap, Kate Mckenzie, Jay Natalwala, Vince Chapple, Margo Norman, Phillip Matson
Research outputs 2012
Objective: To study the performance of thawed zygotes and cleavage stage embryos transferred either on the day of thaw or after overnight culture. Methods: A retrospective study of 864 frozen embryo transfer cycles. Cryosurvival rates per thawed embryo and implantation rates were analysed for embryos frozen on Day 1, Day 2 or Day 3 relative to oocyte collection (Day 0) and transferred on the day of thaw or after overnight culture, together with clinical pregnancy rates and prevalence of multiple gestations. Results: Survival of Day 3 embryos was significantly lower than those frozen on Day 1 (P=0.017) or Day 2 …