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Dr Shivani Sachdev Gour
MBBS, MD – Obstetrics & Gynaecology, DNB – Obstetrics & Gynecology, Infertility Specialist
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What is Frozen Embryo Transfer (FET)?
Frozen Embryo Transfer (FET) is an advanced procedure in assisted reproductive technology where previously cryopreserved (frozen) embryos from an earlier IVF cycle are thawed and transferred into the woman’s uterus in a subsequent cycle. This process allows couples to attempt pregnancy without undergoing ovarian stimulation or egg retrieval again.
FET offers increased flexibility, higher safety, and excellent success rates. At SCI IVF Hospital, under the expert guidance of Dr. Shivani Sachdev Gour, FET is performed with precision and care using advanced lab techniques and personalized cycle planning.
Why is Frozen Embryo Transfer Done?
Frozen Embryo Transfer is recommended in several scenarios, such as:
Excess embryos from an IVF cycle were frozen for later use.
Failed fresh IVF cycle or previous embryo transfer.
Medical reasons prevented fresh embryo transfer (e.g., OHSS risk).
Endometrial issues like poor uterine lining during the fresh cycle.
Couples who want to delay pregnancy but preserve embryos at a younger age.
PGT-A/PGD tested embryos that are genetically screened and cryopreserved.
FET also allows time for the uterus to recover from ovarian stimulation, improving implantation chances.
How to Prepare for FET
The process begins with a comprehensive evaluation by your fertility expert, which may include:
- Review of frozen embryos stored from a previous IVF cycle.
- Hormone tests and ultrasound to assess endometrial thickness and timing.
- Screening for uterine abnormalities, infections, or fibroids if needed.
- A mock embryo transfer may be done in some cases to map the uterus for a smoother actual transfer.
The doctor will determine if a natural cycle or a medicated hormone replacement cycle is best suited for the embryo transfer.
Frozen Embryo Transfer Procedure – Step by Step
Endometrial Preparation
In a natural cycle, the woman ovulates on her own, and the embryo is transferred accordingly. In a medicated cycle, estrogen and progesterone are administered to develop the uterine lining in synchronization with embryo implantation.Monitoring
Regular ultrasounds and blood tests are done to monitor endometrial thickness (typically ≥7–8 mm is optimal). Once the uterus is ready, embryo thawing is scheduled.Embryo Thawing
On the day of transfer, embryos are carefully thawed in a controlled lab environment. Embryologists ensure only healthy, viable embryos are selected for transfer.Embryo Transfer
The embryo is loaded into a thin catheter and gently inserted into the uterus under ultrasound guidance. The procedure is quick, painless, and requires no anesthesia.Post-Transfer Care
Progesterone supplements are continued to support implantation. Light rest is advised for a couple of days, and pregnancy testing is done after 12–14 days.
Benefits of FET
- Avoids repeated ovarian stimulation and egg retrieval.
- Reduces physical and emotional stress on the patient.
- Gives time to prepare the uterus for optimal conditions.
- Enables genetic screening (PGT-A/PGD) of embryos prior to transfer.
- High pregnancy success rates, especially with blastocyst-stage embryos.
Risks and Considerations
- Embryo survival after thawing is very high (>95%) but not guaranteed.
- Mild hormonal side effects in medicated cycles (bloating, breast tenderness).
- Possibility of implantation failure depending on uterine and embryo quality.
- Rarely, timing misalignment may affect success, hence careful monitoring is critical.
At SCI IVF Hospital, the FET process is closely monitored to minimize risks and maximize success.
Frozen Embryo Transfer Success Rates
- FET success rates are comparable or higher than fresh embryo transfers.
- On average, FET yields 40–60% pregnancy success rates, depending on age, embryo quality, and endometrial readiness.
- Embryos frozen at the blastocyst stage and PGT-A tested have even better outcomes.
Why Choose SCI IVF Hospital for Frozen Embryo Transfer?
At SCI IVF Hospital, we take pride in offering world-class embryology labs and personalized treatment planning under the leadership of renowned fertility expert Dr. Shivani Sachdev Gour. Our skilled team ensures each FET cycle is timed with clinical precision, using advanced freezing and thawing techniques to provide the highest chances of success.
Whether you are planning your first FET or have frozen embryos from an earlier IVF cycle, we’re here to guide you every step of the way.
Contact Us Today
Begin your journey to parenthood with expert care.
Consult with Dr. Shivani Sachdev Gour at SCI IVF Hospital today!
📧 Email: sciivfhospitalindia@gmail.com
📱 Call/WhatsApp: +91-8882563400