Slow freezing should not be totally substituted by vitrification when applied to day 3 embryo cryopreservation: an analysis of 5613 frozen cycles

@article{Zhu2015SlowFS,
  title={Slow freezing should not be totally substituted by vitrification when applied to day 3 embryo cryopreservation: an analysis of 5613 frozen cycles},
  author={Hai-yan Zhu and Ya-Mei Xue and Ling-yun Yang and Ling-ying Jiang and Chao Ling and Xiao-mei Tong and Songying Zhang},
  journal={Journal of Assisted Reproduction and Genetics},
  year={2015},
  volume={32},
  pages={1371-1377}
}
This study aimed to compare slow freezing (SF) and vitrification (VT) techniques for day 3 embryo cryopreservation in infertile couples. This retrospective cohort study enrolled 5613 infertile patients, with 7862 frozen-thawed day 3 embryos and 3845 vitrified-warmed day 3 embryos, from 2010 to 2014, at a single center. The rates of embryo survival, pregnancy, implantation, miscarriage, live birth, and live birth weight were compared between the two groups. A total of 5613 cycles with 5520… CONTINUE READING

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Effect of vitrification versus slow freezing of human day 3 embryos on β-hCG levels

Journal of Assisted Reproduction and Genetics • 2014
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