HomeFrozen Embryo Transfer (FET) — Higher Success Rates, Lower Risk | ART Fertility Clinics
Frozen Embryo Transfer (FET) involves thawing a previously frozen embryo and transferring it into a prepared uterus. At ART Fertility Clinics, FET achieves clinical pregnancy rates of 45–62% per transfer — comparable to fresh cycles and often superior in PCOS patients. FET eliminates OHSS risk, allows optimal uterine preparation, and gives couples the flexibility to time their transfer around their health and lifestyle.
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Medically reviewed by
Dr. Meenakshi Dua
, Scientific Director & Senior IVF Specialist- ART Fertility Clinics, Gurugram
— Last reviewed: August 2026
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What is FET?
It is estimated that more than 8 million babies have been born by means of IVF around the world. More than 2.5 million IVF cycles are performed annually and 500,000+ IVF babies are born each year. Learn more about how FET provides safe, expert-led care supported by the very latest science.
Frozen Embryo Transfer or FET is a step in IVF. It is the implantation of a previously frozen embryo into a woman’s uterus. These embryos typically come from a previous IVF cycle and are preserved through a process known as vitrification, a rapid-freezing technique that helps protect them from damage.
FET offers couples an option to try for pregnancy without having to go through another full IVF cycle. It’s a safe, reliable and established technique used by fertility experts all over the globe.
Why Choose Frozen Embryo Transfer?
The doctors might recommend FET for a variety of reasons:
- You had leftover embryos from a prior IVF treatment
- Your body was not receptive for fresh embryo transfer
- You want to postpone pregnancy to a later time
- You are having genetic testing done on your embryos
- You’re heading up donor egg or embryo programs
- You are preparing for surrogacy
FET offers flexibility. It allows your body to heal. It also helps you to better plan your pregnancy journey.
What Is the Difference of FET and Fresh Embryo Transfer?
With a fresh transfer, an embryo is transferred a few days after eggs are retrieved and fertilized. FET freezes and stores the embryo to transfer it at a later date when the uterus is in better condition.
Advantages of FET:
- Better timing and control
- Lower hormonal stress
- Safer for women who are at risk of OHSS (Ovarian Hyperstimulation Syndrome
- Better odds of implantation in some cases
- Perfect for women who’ve just had surgery or are on any kid of medication.
FET is also the preferred choice for when patients elect single embryo transfer or PGT.
Who Can Benefit from FET?
Who is the Frozen Embryo Transfer for?
- Couples who have previously frozen embryos from a previous IVF cycle
- Women who experienced ovarian stimulation disorder during the fresh cycle
- Patients recuperating from an illness or surgery
- People who are doing fertility preservation for medical reasons (such as cancer)
- Couples who are using donor eggs, donor embryos or surrogates
Step-by-Step: How FET Works
Here is a simple version of what happens in FET creation:
Consultation & Assessment
Your fertility specialist will look over your medical and IVF history. You will be tested, to check your hormones and uterus lining.
Preparing the Uterus
The uterus should be receptive to the embryo. There are two common methods:
- Natural Cycle FET – Uses your natural ovulation (assuming you have regular menstrual cycle).
- Hormone Replacement Cycle (HRT) – Given to women with irregular cycles, estrogen and then progesterone is administered to down regulate the endometrium.
Embryo Thawing
Your embryo is then thawed in the laboratory by special techniques on the transfer day. More details: It is only embryos that survive the thawing are transferred.
Embryo Transfer
The embryo is gently transferred to your uterus through a slender catheter. It is generally pain-free and does not require an anesthesia.
Luteal Support
Hormonal supplementation is continued after the transfer, predominantly with progesterone. That helps the embryo implant.
Pregnancy Test
A blood test is performed 10–14 days later to verify pregnancy.
Is FET Safe?
Yes, FET is a safe procedure implantation procedure and is performed all over the world. It is an easy, well-tolerated process. Risks are minimal, but as with all infertility treatments, outcomes can differ from person to person.
Mild side effects associated with hormone medications Some women will experience mild side effects from hormone medications such as:
- Headache
- Bloating
- Spotting
- Breast tenderness
Your plan will be overseen, and you will be guided every step of the way by a doctor.
For How Long Can Embryos Be Stored?
Embryos can be cryopreserved for storage for many years. The maximum period for lawful storage is up to 10 years (with stipulations for extension on special cases) in most countries.
A number of live births have occurred following cryopreservation of embryos for 5–10 years or more. Embryo quality is not reduced by freezing if the freeze is done appropriately using modern methods such as vitrification.
If an Embryo Does Not Survive the Thaw?
Most embryos do survive thawing, but there is always some risk that one won’t. This will depend on the condition of the embryo prior to freezing and the freezing procedure applied.
When possible, clinics usually freeze more than one embryo, so there are additional opportunities if necessary. Your doctor will choose you only the healthy, good strong embryos to transfer.
Why opt for an ART Fertility Clinic for your FET?
When you come and see us at ART Fertility Clinics, it's this integrated mix of science and empathy that ensure that you will get the best treatment. Our FET program offers:
There are advanced IVF labs with the best in vitrification techniques
- High embryo survival rates post-thawing
- Tailored hormone regimens to prepare the uterus
- Experienced embryologists and fertility specialists
- Full transparency and patient education
- Psychological and Emotional Support on your Fertility Journey
Our practices around the world adhere to international best practices to provide safe, ethical and successful fertility treatment.
Conclusion
FET is the gift of time and opportunity. It provides grounds for those who wait, try again, or prepare better to hope. With your stored embryos and our world-class care, your baby is within reach.
Whether it’s baby one or a sibling from a previous cycle, FET allows the journey to continue, so you don’t have to start from scratch. It’s not a procedure, exactly; it’s a step forward in your story of becoming a parent.
Great news? When you’re ready, so are your embryos.
Citation
- Kothekar, A. & ART India [ART Fertility Clinics]. (2025b, July 16). Understanding frozen embryo transfer (FET) in IVF. ART Fertility Clinics, India. Retrieved January 6, 2026, from https://artfertilityclinics.in/blog/understanding-frozen-embryo-transfer-in-ivf
- ART India [ART Fertility Clinics]. (2025c, July 12). The process of frozen embryo transfer. ART Fertility Clinics, India. Retrieved July 15, 2025, from https://artfertilityclinics.in/blog/frozen-embryo-transfer-india-process-benefits
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ART Fertility Clinics, India
Scientific Director & Senior IVF Specialist- ART Fertility Clinics, Gurugram
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ART Fertility Clinics, India
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ART Fertility Clinics, India
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How Frozen Embryo Transfer (FET) Works
Your frozen embryo is thawed and transferred into a carefully prepared uterus — a gentle, well-timed procedure offering high success rates without repeating ovarian stimulation.
Consultation & Cycle Planning
Your specialist reviews your stored embryos and plans the timing of your transfer around your natural or medicated cycle.
Endometrial Preparation
Oestrogen and progesterone medication is used to build a receptive uterine lining ready to support implantation.
Lining Monitoring
Ultrasound scans track the thickness and quality of your uterine lining to confirm the ideal transfer window.
Embryo Thawing
On transfer day, your selected embryo is carefully warmed from its frozen state and assessed for survival and quality.
Embryo Transfer
The embryo is placed gently into the uterus using a fine catheter — a quick, painless procedure needing no anaesthesia.
Pregnancy Test
A blood test around 10–14 days later confirms whether implantation has been successful.
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People Also Asked
Everything you need to know about Frozen Embryo Transfers (FET) at ART Fertility.
A Frozen Embryo Transfer (FET) is a procedure where a previously frozen embryo, created during an earlier IVF cycle, is thawed and transferred into the uterus. It allows couples to use stored embryos without undergoing another egg retrieval process.
FET success rates are generally between 50% to 70% per cycle, depending on factors like the woman’s age, embryo quality, and uterine health. Advances in embryo freezing (vitrification) have made FET outcomes nearly identical to fresh embryo transfers.
The process includes endometrial preparation using hormones to build the uterine lining, thawing of embryos, and embryo transfer under ultrasound guidance. It’s a simple, minimally invasive procedure that doesn’t require anesthesia.
FET offers several advantages such as reduced physical stress, lower medication requirements, cost-effectiveness, and higher implantation rates. It also gives couples flexibility to plan pregnancy at a suitable time.
The cost of a Frozen Embryo Transfer in India typically ranges from ₹40,000 to ₹80,000 per cycle, depending on the fertility clinic and location. This usually includes hormonal medications, embryo thawing, and the transfer procedure.
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