Treatment Overview
Minimal Stimulation IVF (Mini IVF)—also called mild IVF—is an advanced fertility treatment approach designed to achieve pregnancy using lower doses of fertility medication while maintaining a high success rate. Instead of aggressively stimulating the ovaries to produce many eggs, the goal of Mini IVF is to retrieve fewer, but higher-quality eggs with a gentler, more physiologic stimulation protocol.
Korean fertility centers have become global leaders in this approach by combining precise hormone monitoring, individualized medication schedules, and cutting-edge laboratory technology. The result is a treatment that balances comfort, cost efficiency, and safety without compromising pregnancy outcomes.
Purpose & Benefits
Minimal Stimulation IVF offers a gentler alternative to conventional IVF, with several key benefits:
- Lower medication dosage: Uses fewer gonadotropins, reducing physical and emotional stress.
- Fewer side effects: Lower risk of bloating, discomfort, and Ovarian Hyperstimulation Syndrome (OHSS).
- Improved egg quality: The ovaries are stimulated more naturally, often resulting in higher-quality oocytes.
- More affordable: Medication and monitoring costs are significantly reduced compared to conventional IVF.
- Simplified process: Fewer injections and clinic visits while maintaining precise hormonal control.
- Ideal for natural-cycle synergy: Works well for patients who prefer or require minimal medical intervention.
- Suitable for repeated cycles: Because the process is milder, patients can repeat cycles without excessive burden.
Many Korean clinics use AI-driven algorithms and hormone-mapping tools to optimize dosage and timing, enhancing both safety and success.
Ideal Candidates
Minimal Stimulation IVF is ideal for patients seeking a low-intervention, patient-centered fertility solution, including:
- Women with low ovarian reserve or diminished response to standard stimulation.
- Older patients (late 30s–40s) for whom high-dose stimulation may not improve outcomes.
- Patients who experienced adverse reactions or discomfort during conventional IVF.
- Women desiring a more natural, less medicated fertility process.
- Individuals at risk of OHSS or other hormone-related complications.
- Couples who prefer cost-effective treatment while preserving quality.
- Patients preparing for egg freezing who wish to collect a small number of high-quality eggs across multiple gentle cycles.
Possible Risks & Complications
Although safer and less invasive than conventional IVF, Minimal Stimulation IVF still requires clinical supervision. Potential risks include:
- Lower egg yield: Fewer eggs may mean fewer embryos, requiring multiple cycles for optimal results.
- Cycle cancellation: If ovulation occurs prematurely or ovarian response is insufficient.
- Hormonal variability: Requires close hormone monitoring to avoid mistimed retrieval.
- Emotional disappointment: Some patients may expect similar egg counts to full stimulation cycles.
- Mild side effects: Headache, abdominal discomfort, or spotting from hormonal medication.
Korean clinics minimize these risks by using real-time hormonal tracking, ultrasound monitoring, and customized trigger protocols to ensure safety and precision.
Techniques & Procedures Used
The process of Minimal Stimulation IVF in Korea is highly advanced and individualized:
- Hormonal Baseline Assessment: Initial blood tests and ultrasound (FSH, LH, estradiol, AMH) to assess ovarian function.
- Gentle Ovarian Stimulation: Small doses of oral medications (like Clomiphene Citrate or Letrozole) and low-dose injectable gonadotropins.
- Hormone Monitoring: Frequent hormone assays (E2, LH, P4) to fine-tune dosing.
- Trigger Injection: A final hormone (usually hCG or GnRH agonist) triggers ovulation when follicles are ready.
- Oocyte Retrieval: Performed via transvaginal ultrasound under sedation to collect mature eggs.
- Fertilization and Embryo Culture: ICSI or conventional IVF methods used in advanced Korean embryology labs.
- Embryo Transfer or Cryopreservation: Fresh or frozen embryo transfer depending on protocol and patient condition.
Korean centers often integrate AI-based ovulation prediction, time-lapse embryo imaging, and microfluidic culture systems to improve egg selection and embryo viability.
Recovery & Aftercare
Recovery from Mini IVF is usually fast and comfortable:
- Mild bloating or spotting may occur for a few days post-retrieval.
- Most patients return to daily activities within 24–48 hours.
- Clinics schedule follow-ups to monitor hormone levels and early pregnancy progression.
- Luteal phase support (progesterone supplements) is provided to enhance implantation chances.
- Nutrition, stress management, and gentle lifestyle recommendations are emphasized.
Results & Longevity
- Egg yield: Typically 3–8 mature eggs per cycle (vs. 10–20 in standard IVF).
- Pregnancy success rate: Comparable per-embryo success rates to conventional IVF, particularly in patients with low ovarian reserve.
- Reduced dropout rate: Gentler treatment encourages patients to complete multiple cycles, improving cumulative success.
- Sustained ovarian health: Minimal stimulation avoids overstressing the ovaries, preserving long-term function.
Over time, the cumulative pregnancy rate from repeated minimal cycles can approach or match conventional IVF outcomes—often with better tolerance and emotional well-being.
Treatment Process in Korea
Diagnostic Phase
- Comprehensive reproductive evaluation and hormone mapping.
- Tailored medication plan based on age, AMH, and cycle pattern.
Stimulation & Monitoring
- Daily or alternate-day ultrasound and blood tests.
- AI-based hormone adjustment protocols ensure optimal follicle maturation.
Oocyte Retrieval & Fertilization
- Transvaginal retrieval performed under light sedation.
- Use of advanced embryology labs for ICSI or IVF fertilization.
Embryo Transfer
- Transfer of one or two embryos under ultrasound guidance.
- Customized luteal support plan post-transfer.
Why Korea Is a Global Leader
- Integration of precision endocrinology and reproductive technology.
- Smaller, high-quality egg strategy proven effective for diverse patient groups.
- High clinical success rates with lower medication burden.
- Advanced laboratories with international accreditation.
- Strong medical tourism infrastructure, including English-speaking coordinators and personalized fertility care.
- Emphasis on research and continuous innovation in fertility medicine.
Korean fertility centers’ combination of innovation, affordability, and patient-centered philosophy makes them a world-renowned destination for Minimal Stimulation IVF.
Cost Range
Costs vary depending on medication dosage, monitoring frequency, and clinic reputation. Approximate ranges in Korea:
- Minimal Stimulation IVF: USD 2,500 – 4,500
- With ICSI or embryo freezing: USD 4,000 – 6,000
- Add-ons (PGT, embryo freezing, storage): additional USD 1,000 – 2,000
Compared to conventional IVF (USD 6,000 – 10,000), Mini IVF offers a more affordable yet equally effective treatment option for many patients.
Popular Clinics in Korea
- CHA Fertility Center (Seoul, Bundang) – pioneers in mild stimulation protocols.
- Maria Fertility Hospital – specialized in cost-efficient, low-drug IVF programs.
- MizMedi Women’s Hospital – advanced reproductive lab and customized IVF systems.
- Hamchoon Women’s Clinic – focused on diagnostics and individualized fertility care.
- Seoul Women’s Hospital – offers international patient support and hormone-balanced IVF care.



