The Cryotop® Method

Kitazato, world leader in vitrification, has developed The Cryotop® Method and secured its global implementation achieving best-in-class results in cryopreservation of human specimens from gametes to blastocysts.

Our objective is to provide you a method with proven evidence of success and to help you obtain the best results that only Kitazato Vitrification offers.

The Cryotop® Method is applied in more than 2,500,000 clinical cases annually in over 115 countries and 3,000 assisted reproduction centers. Hundreds of scientific publications certify their excellent results.

Kitazato's vitrification method is simple, safe, versatile and easy to apply for everyone.

Cryotop® Survival Rates in Human Specimens

  • 100%
  • 90%
  • 80%
  • 70%
  • 60%
  • 50%
  • 40%
  • 30%
  • 20%
  • 10%
  • 0%
  • 94,40%
    Oocytesn=2,770
    Braga D.P.
    2016
  • 96,10%
    Oocytesn=591
    Chamayou S.
    2017
  • 94,43%
    Oocytesn=35,654
    Cornet-Bartolomé D.
    2020
  • 97,80%
    Embryosn=303
    Xue Y.
    2018
  • 98,50%
    Embryosn=2,617
    La Marca A.
    2019
  • 97,20%
    Blastocystn=528
    Coello A.
    2017
  • 97,73%
    Blastocystn=8,736
    Ueno S.
    2018
  • 98,01%
    Blastocystn=3,818
    Hernández-Nieto et al.
    2019
  • 98,09%
    PGT Embryosn=90
    Sekhon L.
    2018
  • 100,00%
    PGT Embryosn=47
    Wilding M.
    2019

The IVF Lifecycle

Kitazato offers a broad selection of quality products to maximize success at every step of the IVF Lifecycle. Learn more about the products involved in each IVF procedure.

Vitrification
More info

The Cryotop® Method - Tips & Tricks

The Cryotop® Method - Embryo Vitrification and Thawing

Vitrification Product Catalog

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Vitrification Protocol

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If you need further assistance about our products, their use, or which ones are right for you, please get in touch.

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