Vitrification
Vitrification is an advanced cryopreservation technique used for freezing eggs, embryos, and sperm with an ultra-rapid cooling process. Unlike traditional slow freezing, vitrification prevents ice crystal formation, preserving cellular integrity and increasing survival rates after thawing.
At DYU Advanced Fertility & Smart IVF Center, we offer cutting-edge vitrification services to maximize fertility preservation success and ensure the highest quality of reproductive cells for future use.
Who Needs Vitrification?
- Women wishing to preserve fertility before medical treatments (chemotherapy, radiation, surgery)
- Women who want to delay childbearing for career or personal reasons
- Couples undergoing IVF with extra embryos
- Men with low sperm count or those facing medical conditions affecting fertility
- Individuals using donor eggs, sperm, or embryos for future fertility treatments
How Vitrification Works
Step 1: Collection & Processing
- Eggs, embryos, or sperm are collected and assessed for quality.
- Cryoprotectants are applied to protect against ice crystal damage.
Step 2: Ultra-Rapid Freezing (Vitrification Process)
- The sample is rapidly cooled to -196°C in liquid nitrogen, bypassing the ice formation stage.
- This results in a glass-like, solidified state, preserving cell viability.
Step 3: Long-Term Storage
- Vitrified samples are securely stored in liquid nitrogen tanks for future use.
- They remain viable for several years without degradation.
Step 4: Thawing & Utilization
- When needed, vitrified samples are carefully thawed using specialized protocols.
- Thawed eggs, embryos, or sperm are then used in IVF, ICSI, or IUI treatments.
Benefits of Vitrification
- Higher survival rates than traditional slow freezing
- Minimizes ice crystal damage, preserving cell integrity
- Allows for long-term fertility preservation with high success rates
- Enables successful pregnancy with frozen-thawed eggs, embryos, or sperm
- Reduces the need for repeated IVF stimulation cycles


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