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Related Experiment Video

Updated: May 24, 2026

Modified MicroSecure Vitrification: A Safe, Simple and Highly Effective Cryopreservation Procedure for Human Blastocysts
09:35

Modified MicroSecure Vitrification: A Safe, Simple and Highly Effective Cryopreservation Procedure for Human Blastocysts

Published on: March 2, 2017

Blastocyst cryopreservation using solid surface vitrification: A preliminary study.

Mohan S Kamath1, Ann M Mangalaraj, K Muthukumar

  • 1Reproductive Medicine Unit, Christian Medical College, Vellore, Tamil Nadu, India.

Journal of Human Reproductive Sciences
|February 21, 2012
PubMed
Summary
This summary is machine-generated.

Solid surface vitrification effectively preserves blastocysts, achieving high survival and live birth rates comparable to fresh transfers. This nonimmersion technique enhances safety by preventing contamination during cryopreservation.

Keywords:
Blastocystsolid surface methodvitrification

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Last Updated: May 24, 2026

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Area of Science:

  • Reproductive medicine
  • Embryology
  • Cryobiology

Background:

  • Blastocyst cryopreservation is crucial for assisted reproductive technologies.
  • Vitrification offers rapid cooling but traditional immersion methods carry contamination risks.

Purpose of the Study:

  • To evaluate the effectiveness and safety of a blastocyst cryopreservation program utilizing solid surface vitrification.
  • To assess key reproductive outcomes following frozen embryo transfer with this method.

Main Methods:

  • Retrospective observational study of women undergoing frozen embryo transfer (FET) cycles.
  • Blastocysts were cryopreserved using a solid surface (nonimmersion) vitrification protocol.
  • Outcomes included post-thaw survival, implantation, pregnancy, and live birth rates.

Main Results:

  • A cryosurvival rate of 85% was observed for warmed blastocysts.
  • Per transfer, clinical pregnancy, implantation, and live birth rates were 47%, 29%, and 23%, respectively.
  • Neonatal outcomes were normal, with no major or minor abnormalities detected in live-born infants.

Conclusions:

  • Solid surface blastocyst vitrification is an effective cryopreservation method.
  • The nonimmersion technique maintains rapid cooling while mitigating contamination risks.
  • Results are comparable to fresh blastocyst transfers, suggesting a safe and viable alternative.