Frozen embryo transfer (FET) is actually a remarkable innovation in the area of assisted reproduction and is often a beacon of hope for couples struggling with infertility. But what determines its success? It is time to take a deep dive into the intricate process of FET and get answers to many questions, including why embryos are frozen, the reasons and advantages for opting for FET, and a close look at its success rates, including an age-wise breakdown.
Let’s start, keep your focus on!
Why Are Embryos Frozen?
Simply put, to preserve embryos for future use. This process, known as cryopreservation, comes into play for several reasons:
- Surplus Eggs: After egg retrieval during an IVF cycle, more embryos might be created than can be used in one cycle to increase the probability of IVF success. Surplus ones are frozen.
- High Hormonal Levels: After the IVF cycle, the hormone levels in a woman’s body might be too high for a fresh transfer, making FET a safer option in the later stages when the hormones have settled down during another natural cycle.
- Ovarian Hyperstimulation Syndrome (OHSS): Freezing embryos helps avoid the risk of OHSS, a condition where ovaries are enlarged and fluid collects inside the women’s body.
- Genetic Testing: Embryo freezing allows for biopsy and genetic testing of the embryos to identify any genetic disorders before transfer.
As we know the reasons for frozen embryo transfer, the ground is now set to understand the benefits!
Advantages of FET
Frozen embryo transfer comes with many advantages. Know them here:
- Reduced Stress: It allows the woman’s body to recover from the egg retrieval process and any effects of OHSS.
- Improved Endometrial Receptivity: The delay between retrieval and transfer can lead to a more receptive endometrial lining.
- Flexibility: Couples can plan the transfer around their personal schedule.
- Lower Medication Requirements: FET cycles often require fewer medications and injections than fresh transfer cycles.
One of the most imperative questions that couples often ask before undergoing IVF treatment is what is the success rate of FET.
Success Rates of FET
The success rates of FET can be encouraging, particularly when compared to fresh cycles. For women with a high number of eggs retrieved, FET offers the possibility of multiple attempts at pregnancy from a single retrieval, often leading to a cumulative success rate that can exceed the success of a single fresh transfer.
Even with fewer eggs, the success rate of FET is better as the embryo is placed back in more physiological conditions. It provides a chance for success with the benefits of lower medication use and a reduced risk of OHSS.
Let Us Also Take a Look at Age-wise Success Rates of Frozen Embryo Transfer
Here's a summarized table indicating the success rates of FET across different age groups based on the latest CDC data:
Age Group Average Success Rate (%). Singleton Live Birth Rate (%)
Under 35. 70% 50%
35-37. 60% 45%
38-40. 50% 30%
*Note: The success rates are averages and will vary by individual circumstances and clinics.
Choosing the Right IVF Centre
For those in Delhi seeking FET, selecting the right IVF centre in Delhi is paramount. It is recommended to consult with an IVF specialist in Delhi who can guide you through the cost considerations and tailor a treatment plan specific to your needs. The cost covers hormone therapies, egg retrieval, fertilization, and the cultivation, cryopreservation, storage, and transfer of the embryos.
While it is not always possible to quote specific frozen embryo transfer costs, generally, the price will depend on the number of embryos frozen, the protocol for preparation of the lining, centre’s technology, the expertise, and the duration for which the embryos are frozen.
Final Thoughts
Frozen embryo transfer offers a promising alternative with distinct advantages and commendable success rates. As technology advances and techniques refine, the potential for achieving a successful pregnancy through FET continues to rise, illuminating the path to parenthood for many. Make sure you put your case in the right and experienced hands of an IVF specialist in Delhi, such as Dr Rhythm Gupta.
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