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Updated: Mar 23, 2026

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Cryopreservation of Preimplantation Embryos of Cattle, Sheep, and Goats
Published on: August 5, 2011
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Why all women should freeze their eggs
Ana Cobo1, Juan Antonio García-Velasco
1aInstituto Valenciano de Infertilidad (IVI), Valencia bInstituto Valenciano de Infertilidad (IVI), Madrid, Spain.
Current Opinion in Obstetrics & Gynecology
|April 1, 2016
Summary
Oocyte vitrification is an effective method for fertility preservation and in vitro fertilization (IVF) treatments. Egg freezing offers increased chances of future biological parenthood, especially when performed before age 35.
Area of Science:
- Reproductive Medicine
- Cryobiology
Background:
- Oocyte cryopreservation using vitrification is increasingly common in IVF centers.
- It's utilized for both infertility treatment and elective fertility preservation (EFP).
Purpose of the Study:
- To review the current status of oocyte vitrification.
- To analyze recent reports on its application in IVF and EFP.
Main Methods:
- Literature review of recent reports on oocyte vitrification.
- Analysis of outcomes in infertility treatment and EFP.
Main Results:
- Oocyte vitrification yields results comparable to fresh oocytes in IVF.
- EFP is often pursued by women lacking partners or concerned about age, with better biological success rates when done before 35.
- Cost-effectiveness of EFP is higher at ages 37-38.
Conclusions:
- Oocyte vitrification is an efficient tool for managing IVF cycles.
- Women should be informed about age-related success probabilities and that egg freezing improves, but doesn't guarantee, future biological parenthood.
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