Treatment Overview
Assisted Embryo Vitrification in Korea represents one of the most advanced techniques in modern fertility preservation. It is a specialized form of embryo cryopreservation that uses ultra-rapid freezing technology — known as vitrification — enhanced with laboratory-assisted precision and automated handling systems.
This process transforms the embryo’s fluid into a glass-like solid almost instantaneously, eliminating ice crystal formation that could damage delicate cellular structures. Korean fertility laboratories have refined the assisted vitrification process through AI-guided temperature control, microdroplet freezing systems, and embryologist-assisted handling protocols, ensuring near-perfect embryo survival rates after thawing.
The result is an advanced, secure, and scientifically optimized method for storing embryos safely — supporting both fertility treatment flexibility and long-term reproductive planning.
Purpose & Benefits
The primary purpose of Assisted Embryo Vitrification is to preserve viable embryos for future use in fertility treatments such as in vitro fertilization (IVF) or frozen embryo transfer (FET). This advanced form of vitrification enhances embryo survival and implantation potential while minimizing biological stress during freezing and thawing.
Key benefits include:
- Ultra-high embryo survival: Over 98% viability after thawing.
- Assisted precision: Automated lab systems control timing and temperature for perfect vitrification.
- Protection from ice damage: Instant freezing prevents crystal formation.
- Enhanced embryo quality: Maintains cell structure and chromosomal integrity.
- Flexible family planning: Embryos can be safely stored for years and transferred when desired.
- Supports genetic testing (PGT): Ensures embryos can be screened and preserved at optimal conditions.
- Compatible with various fertility treatments: Ideal for IVF, ICSI, or donor embryo programs.
Korean fertility centers combine scientific accuracy with compassionate care, helping patients preserve reproductive potential with confidence and precision.
Ideal Candidates
Assisted Embryo Vitrification in Korea is ideal for individuals or couples seeking safe, long-term embryo storage with the highest success rates.
Ideal candidates include:
- Couples undergoing IVF or ICSI treatments with surplus embryos.
- Women delaying pregnancy for personal or medical reasons.
- Patients preparing for chemotherapy, radiation, or surgery that may impact fertility.
- Couples who prefer genetic testing (PGT-A/PGT-M) before embryo transfer.
- Individuals pursuing international fertility programs or future family expansion.
- Women of advanced maternal age wishing to preserve high-quality embryos.
This advanced procedure ensures embryos remain healthy, viable, and genetically stable for future fertility use.
Possible Risks & Complications
Assisted Embryo Vitrification is a highly safe and controlled process. However, as with all laboratory procedures, a few minimal risks may occur:
- A very small percentage of embryos may not survive the thawing process (typically less than 2–3%).
- Mild emotional stress associated with fertility treatment cycles.
- Rare instances of equipment or temperature fluctuations, managed through advanced monitoring.
Korean fertility laboratories mitigate these risks using 24-hour cryostorage surveillance, AI-based temperature regulation, and dual cryogenic backup systems, ensuring complete safety and consistency.
Surgical & Laboratory Techniques Used
The Assisted Embryo Vitrification process combines human expertise and automation to optimize embryo preservation. Korean fertility labs integrate some of the most sophisticated technologies in reproductive medicine.
Key techniques include:
- Embryo Culture & Selection: High-quality embryos are selected after 3–5 days of development post-fertilization.
- AI-Assisted Viability Assessment: Artificial intelligence systems evaluate embryo quality before vitrification.
- Cryoprotectant Preparation: Specialized protective agents prevent intracellular ice formation during freezing.
- Microdroplet Vitrification: Embryos are placed in microscopic droplets for uniform cooling.
- Ultra-Rapid Cooling: Embryos are plunged into liquid nitrogen at −196°C, achieving instant solidification.
- Assisted Handling Systems: Embryologists use precision tools and automated arms for temperature-controlled loading and sealing.
- Smart Biobank Cryostorage: Embryos are stored in liquid nitrogen tanks with continuous digital temperature and security monitoring.
- Data Traceability: Every embryo is barcoded and logged in secure fertility management databases for long-term tracking.
Korean fertility centers are known for their ISO-certified embryology laboratories, AI integration, and stringent cryostorage protocols, ensuring accuracy, sterility, and reliability in every preservation cycle.
Recovery & Aftercare
Recovery from Assisted Embryo Vitrification is simple, as the procedure is conducted after fertilization in a laboratory setting. The woman’s recovery focuses primarily on the preceding egg retrieval stage.
Typical aftercare includes:
- Rest for several hours after egg retrieval.
- Avoiding intense exercise for 1–2 days.
- Staying hydrated and maintaining a nutritious diet.
- Attending follow-up appointments for cycle review and embryo status confirmation.
- Psychological or emotional support sessions if part of IVF care.
Korean fertility centers often provide comprehensive post-procedure care, including reproductive wellness consultations, nutritional advice, and stress management programs.
Results & Longevity
Assisted Embryo Vitrification in Korea provides some of the best success outcomes in modern reproductive medicine.
Typical results include:
- Embryo survival rate after thawing: 98–99%.
- Fertilization success: Comparable or higher than with fresh embryos.
- Pregnancy rate per frozen embryo transfer (FET): 60–70% in women under 35.
- Storage longevity: Embryos remain viable for 15–20 years or longer under cryogenic conditions.
- No increase in birth defects or chromosomal abnormalities compared to natural conception.
Korean fertility laboratories maintain high consistency through advanced monitoring, expert embryology, and continuous research into improving embryo viability post-thaw.
Treatment Process in Korea
Korea’s fertility clinics have refined the Assisted Embryo Vitrification process to ensure seamless coordination, patient comfort, and technological precision.
Step 1: Fertility Evaluation & Consultation
Comprehensive fertility testing and cycle planning to customize the vitrification strategy.
Step 2: Ovarian Stimulation & Egg Retrieval
Controlled hormonal stimulation followed by ultrasound-guided egg collection.
Step 3: Fertilization & Embryo Culture
Eggs are fertilized using IVF or ICSI methods and cultured for 3–5 days.
Step 4: Assisted Embryo Vitrification
High-quality embryos are vitrified using ultra-rapid freezing systems with AI-guided temperature management.
Step 5: Cryostorage & Monitoring
Embryos are securely stored in cryogenic tanks equipped with automated temperature regulation and real-time data tracking.
Step 6: Future Embryo Transfer (FET)
When the patient is ready, embryos are thawed and transferred into the uterus for implantation.
Why Korea Excels in Assisted Embryo Vitrification
Korea is a global leader in reproductive cryotechnology due to:
- AI-integrated vitrification and monitoring systems.
- Automated cryostorage and dual backup power systems.
- Highly skilled embryologists trained in micro-lab handling.
- Strict ethical and safety regulations.
- Affordable, high-quality fertility preservation programs.
Korean fertility medicine is internationally recognized for combining cutting-edge technology with compassionate patient care, ensuring superior outcomes for both local and international patients.
Cost Range
The cost of Assisted Embryo Vitrification in Korea depends on the number of embryos, laboratory complexity, and cryostorage duration.
- Basic Embryo Vitrification Cycle: USD 3,500 – 5,000
- AI-Assisted or Automated Vitrification Package: USD 5,000 – 7,000
- Annual Cryostorage Fee: USD 300 – 600
- Multi-Year Cryostorage Package (3–5 years): USD 6,000 – 8,500
These packages typically include consultation, embryo culture, vitrification, and one year of secure storage, with options for extended plans.
Popular Clinics
Korea’s leading fertility centers offering Assisted Embryo Vitrification are globally recognized for their scientific precision, advanced cryogenic systems, and patient-focused care.
CHA Fertility Center (Seoul & Bundang)
Pioneers in AI-based vitrification and international reproductive biobanking systems.
Asan Medical Center – Department of Reproductive Medicine
Offers automated vitrification platforms with continuous monitoring and quality assurance.
MizMedi Women’s Hospital (Seoul)
Known for high IVF success rates and advanced vitrification for embryo and oocyte preservation.
Hamchoon Women’s Clinic
Specializes in personalized fertility management and long-term cryostorage.
G Clinic (Seoul)
Provides affordable yet high-precision embryo freezing services using AI-integrated technology.



