Social Freezing
Career, education, the right relationship — life has not aligned with motherhood yet. You are healthy. You simply want time. The ideal age window is 28–35.
Your body is not always on the same timeline as your life. Career, the right relationship, health conditions, or simply not being ready yet can all delay motherhood, even when fertility cannot be paused naturally.
Egg freezing — medically called oocyte cryopreservation — changes that equation. At Wellspring IVF, Dr. Pranay Shah and the embryology team use advanced vitrification to freeze and preserve eggs with high post-thaw survival.
The key variable is age at freezing. The younger the eggs at the time of vitrification, the stronger their future reproductive value. Technology matters, but timing matters more.
There are three broad groups of women who benefit most from egg freezing — and each has a different urgency and clinical approach.
The single most important variable in egg freezing success is not the technology — it is your age at the time of freezing. Eggs frozen at 30 are biologically younger than eggs frozen at 38, and that biological age is permanently preserved the moment vitrification occurs.
| Age at Freezing | Egg Quality | Expected Eggs Retrieved | Recommended? | Dr. Shah’s Note |
|---|---|---|---|---|
| Under 30 | Excellent | 12–20+ per cycle | Ideal — long runway ahead | Best outcomes. Consider if you have any concerns about timeline. |
| 30–34 | Very Good | 10–15 per cycle | Optimal window | The clinical sweet spot. High quality eggs, good numbers. Act now. |
| 35–37 | Good to Moderate | 8–12 per cycle | Still very effective | May need 1–2 cycles to reach target egg count. Don’t delay further. |
| 38–40 | Declining | 5–10 per cycle | Possible, lower efficiency | Multiple cycles likely needed. Discuss realistic expectations with Dr. Shah. |
| Over 40 | Significantly Reduced | 3–7 per cycle | Case by case basis | Success rates drop sharply. Donor eggs via ART Bank may be a parallel discussion. |
Dr. Pranay Shah on Age & Egg Freezing: “The women who benefit most from egg freezing are those who act before they feel the urgency. By the time most women feel the biological clock, the optimal window has already partially closed. The right time to freeze eggs is usually two to three years before you think you need to.”
The egg freezing process mirrors the first half of an IVF cycle. The key difference is that instead of fertilising the retrieved eggs immediately, we preserve them in their unfertilised state using vitrification.
Dr. Pranay Shah reviews your hormonal profile before recommending any stimulation protocol. Key tests include AMH, antral follicle count, Day 2/3 FSH and estradiol, and baseline transvaginal ultrasound. These define the dose, type, and duration of injections. No two protocols are identical.
Daily home injections are given for approximately 10–12 days to stimulate multiple follicles. Monitoring includes ultrasound every 2–3 days, blood hormone levels, and protocol adjustments if over- or under-response is detected. Wellspring actively manages OHSS risk and provides detailed injection guidance.
When follicles reach maturity, a single trigger injection is given and egg retrieval happens exactly 35–36 hours later. The procedure takes 20–30 minutes under light IV sedation. A fine ultrasound-guided needle retrieves eggs through the vaginal wall. There are no incisions and you go home the same day.
Within minutes of retrieval, mature eggs are dehydrated, loaded with cryoprotectant, and plunged into liquid nitrogen at –196°C in under one second. This vitrification method eliminates ice crystal formation — the historic cause of egg damage during freezing — and dramatically improves survival after thaw.
Your frozen eggs can remain stored for years. When you are ready to use them, the future process involves thawing the eggs, fertilising them using ICSI, growing embryos to blastocyst stage, and then performing a Frozen Embryo Transfer (FET).




| Parameter | Old Slow-Freeze Method | Vitrification (Wellspring Standard) |
|---|---|---|
| Freezing Speed | Hours (gradual) | < 1 second (ultra-rapid) |
| Ice Crystal Formation | Yes — major cause of egg damage | None — complete elimination of crystals |
| Post-Thaw Egg Survival | 50–60% | 80–90% (published clinical data) |
| Fertilisation Rate of Thawed Eggs | Lower | Comparable to fresh eggs |
| Is It Available at Wellspring? | No — fully phased out | Yes — standard protocol |
| ESHRE / ASRM Status | No longer recommended | Gold standard recommendation |
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| Age at Freezing | Eggs Needed Per Baby (Target) | Why This Number? |
|---|---|---|
| Under 34 | 10–15 mature eggs | Higher quality means lower attrition at thaw, fertilisation, and blastocyst formation. |
| 34–37 | 15–20 mature eggs | Moderate quality decline means extra eggs create a practical safety buffer. |
| 38–40 | 20–25 mature eggs | Significant quality decline means higher attrition. Multiple cycles may be needed. |
Understanding the Egg Attrition Funnel: Not every frozen egg becomes a baby. With vitrification, 80–90% survive thaw, 70–80% of surviving eggs fertilise with ICSI, 40–60% of fertilised eggs reach blastocyst, and each blastocyst transfer then carries an age-dependent pregnancy chance. This is why Dr. Shah recommends a target, not a minimum.
| Component | What It Includes | Approximate Cost (INR) |
|---|---|---|
| Stimulation Medications (Injections) | FSH, LH analogues, trigger injection — depends on protocol and required dose | ₹40,000 – ₹70,000 |
| Monitoring (Ultrasounds + Bloodwork) | All scans and hormone tests during stimulation | ₹8,000 – ₹15,000 |
| Egg Retrieval (OPU Procedure) | OT time, anaesthesiologist, nursing, equipment | ₹30,000 – ₹45,000 |
| Embryology — Vitrification & Preparation | Embryologist fee, lab consumables, cryoprotectant preparation | ₹20,000 – ₹30,000 |
| First Year Cryo-Storage Fee | Storage of eggs in liquid nitrogen tank | ₹10,000 – ₹15,000 / year |
| Annual Storage (subsequent years) | Maintenance of stored eggs | ₹8,000 – ₹12,000 / year |
| Total (First Cycle, All-In Estimate) | Complete one-cycle cost including medication | ₹1,08,000 – ₹1,75,000 |
Why Cost Varies Between Patients: The biggest variable is medication dose, which depends entirely on ovarian reserve (AMH and AFC). Women with good reserve usually require lower doses. Women with low reserve often require higher doses of more expensive medication. That is why a precise baseline assessment is medically essential before any final quotation.
Time is the critical factor. Oncofertility cycles can be initiated within 2 weeks of diagnosis in most cases, even mid-cycle. Dr. Pranay Shah coordinates directly with oncologists.
We have helped cancer survivors return for their frozen eggs years later and achieve pregnancy. This is why this service matters.
| Age at Egg Freezing | Post-Thaw Survival Rate | Fertilisation Rate | Live Birth Rate Per Transfer (Estimated) |
|---|---|---|---|
| Under 35 | 85–92% | 75–85% | 40–55% per transfer |
| 35–37 | 80–88% | 70–80% | 30–45% per transfer |
| 38–40 | 75–85% | 65–75% | 20–35% per transfer |
| Over 40 | 70–80% | 60–70% | 15–25% per transfer |
These figures represent published data ranges from international ART registries and peer-reviewed literature. Individual results at Wellspring depend on ovarian reserve, stimulation response, and the number of eggs successfully frozen. Pregnancy outcomes cannot be guaranteed.
| Factor | Egg Freezing (Oocyte) | Embryo Freezing |
|---|---|---|
| Who It’s For | Single women; women without a committed partner | Couples undergoing IVF together |
| Sperm Required at Time of Freezing? | No | Yes — fertilisation happens before freezing |
| Flexibility | Maximum — partner can be anyone in the future | Limited — embryo is legally joint property |
| Legal Status in India (ART Act 2021) | Permitted for single women | Requires couple consent; legal implications in separation |
| Success Rates | Slightly lower per egg due to thaw + fertilisation attrition | Higher per frozen embryo because fertilisation has already occurred |
| Dr. Shah’s Recommendation | For single women — usually egg freezing | For couples in IVF — embryo freezing post-retrieval |
If you are in a committed relationship and undergoing treatment together, read more about our dedicated embryo freezing service and the complete IVF treatment process at Wellspring.
The daily stimulation injections cause minimal discomfort — most patients compare them to a small pinch. The egg retrieval itself is done under IV sedation, so you will not feel the procedure. Mild bloating and pelvic heaviness for 2–3 days post-retrieval is common and expected as the ovaries return to normal size.
From your first consultation to egg retrieval, the process takes approximately 3–4 weeks — one full menstrual cycle. Stimulation injections are given over 10–12 days within that window. After retrieval, Vitrification happens the same day. You are done within the month.
Yes — and for women over 35 or with a lower ovarian reserve, Dr. Shah often recommends banking eggs from 2–3 cycles before considering the target count reached. Each cycle is independent and can be done in consecutive months. Cumulative banking is a valid and commonly used strategy.
Published data shows eggs can remain viable in cryostorage for many years without significant quality degradation. Women have achieved successful pregnancies from eggs stored for 10+ years. The biological age of the egg is permanently fixed at the moment of Vitrification — time in storage does not age them further.
No. The eggs retrieved during a freezing cycle are those that would have been naturally reabsorbed in that month’s cycle anyway. Stimulation medications recruit multiple follicles from the monthly cohort — they do not draw from your future reserve. Your baseline AMH and remaining follicle count are unaffected by the procedure.
Medical egg freezing for oncofertility (cancer-related) is increasingly recognised by some insurers — check your specific policy. Social egg freezing is currently not covered by insurance in India. At Wellspring, we offer transparent pricing and can discuss phased payment approaches during your consultation.
There is no absolute cut-off, but clinical outcomes decline significantly after 40. Egg quality and quantity both reduce with age — this is biology, not opinion. If you are in your mid-to-late 30s and considering egg freezing, the most important step you can take is a consultation this week, not next year. The earlier you have baseline data, the better-informed your decision will be.