Tag: cryoprotectant

Egg vitrification

Oocyte cryopreservation

Egg vitrification and freezing is an assisted reproductive technology (ART) that allows the preservation of female fertility in order to have the chance of being a mother in the future when the woman is ready to do so.

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Egg vitrification technique

Preservation technique of women's fertility

Vitrification consists of quickly reducing the temperature to which an oocyte is exposed to -196 °C. The procedure takes place in liquid nitrogen and cryopreservants, which avoid the breaking of the egg’s cell membranes.

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Egg vitrification protocols

Frozen oocytes

There are two protocols in order to preserve oocyted: slow freezing and vitrification. Nowdays, vitrification has replaced slow freezing, since it has higher survival rates.

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