Frozen Embryo Replacement Cycle
Optimize Your Chances of Pregnancy with a Carefully Planned Frozen Embryo Transfer
What is a Frozen Embryo Replacement Cycle (FERC)?
A Frozen Embryo Replacement Cycle (FERC) is a fertility treatment that involves transferring previously frozen embryos into the uterus. This process allows couples to utilize embryos from an earlier IVF cycle, offering a chance for pregnancy without undergoing another round of ovarian stimulation and egg retrieval. FERC is a widely used approach for those who have surplus embryos from an earlier IVF cycle or want to plan pregnancy at a later stage.
Why is a FERC Recommended?
A FERC is often recommended in various situations, including:
Previous IVF cycle with remaining embryos
If a couple had extra embryos from a past IVF cycle, freezing them for later use eliminates the need for repeated stimulation and egg retrieval.
Medical reasons
Women with ovarian hyperstimulation syndrome (OHSS), uterine conditions, or other medical concerns may delay embryo transfer and opt for FERC when conditions are more favorable.
Planned pregnancy
Some couples prefer to freeze embryos for personal or career-related reasons and undergo a transfer when they are ready.
Genetic screening
In cases where preimplantation genetic testing (PGT) is performed, embryos may be frozen while awaiting results before transfer.
Whether you are facing one or multiple challenges, Bud IVF is here to guide you with personalized care and expert solutions tailored to your unique needs.
How is a Frozen Embryo Transfer Performed?
The process of FERC follows a carefully monitored cycle to ensure the uterine lining is receptive for implantation. The steps typically include:
The uterine lining is prepared using either a natural cycle (tracking ovulation) or a medicated cycle (hormonal support with estrogen and progesterone).
The embryos are carefully thawed in a controlled laboratory setting. Not all embryos survive the thawing process, but advanced cryopreservation techniques have improved success rates.
A selected embryo is transferred into the uterus using a thin catheter. This is a quick and painless procedure performed without anesthesia.
After the transfer, medications such as progesterone are prescribed to support implantation and early pregnancy.
A blood test is conducted approximately 10-14 days after the transfer to check for pregnancy.
Success Rates of FERC
The success rate of a Frozen Embryo Replacement Cycle depends on factors like embryo quality, maternal age, and overall reproductive health. Many studies suggest that frozen embryo transfers have comparable, if not higher, success rates than fresh transfers due to improved endometrial receptivity and reduced stress on the body.
Advantages of FERC
A FERC is often recommended in various situations, including:
Higher implantation potential
The uterus may be more receptive in a controlled FERC cycle compared to a fresh cycle.
Less hormonal stimulation
No need for ovarian stimulation or egg retrieval, reducing physical and emotional strain.
More flexibility
Allows couples to plan pregnancy at their convenience.
Lower cost compared to a full IVF cycle
As embryos are already available, the cost of FERC is significantly lower than a fresh IVF cycle.
FAQs
How long can embryos remain frozen?
Embryos can be stored for several years without losing viability. Many successful pregnancies have been achieved using embryos frozen for over a decade.
Does freezing affect embryo quality?
Modern cryopreservation techniques, such as vitrification, ensure minimal damage to embryos, maintaining their viability.
Is the success rate of FERC lower than fresh embryo transfer?
No, FERC success rates are often equal to or even higher than fresh transfers, as the body is not under the stress of ovarian stimulation.
How many embryos should be transferred in FERC?
The number of embryos transferred depends on individual circumstances. In most cases, a single embryo transfer is recommended to reduce the risk of multiple pregnancies.
Are there any risks associated with FERC?
FERC is a safe procedure, but there is a small risk of implantation failure, multiple pregnancies (if multiple embryos are transferred), and hormonal side effects from medications.