Frozen embryo transfer

A frozen embryo transfer (FET) cycle involves thawing one or two embryos that were frozen during a previous treatment cycle and transferring them to the uterus to attempt to establish a pregnancy. This is a routine procedure.

A frozen embryo transfer is recommended in the following scenarios:

During a typical IVF or ICSI cycle, when the ovaries are stimulated and produce multiple eggs for insemination, resulting in the creation of several healthy embryos. In such cases, only one or two embryos are transferred to the uterus immediately, while the remaining embryos are frozen. These frozen embryos can be used in another IVF cycle if the initial transfer does not result in pregnancy, or at a later time to try for a sibling.
If the lining of the uterus has not developed to a suitable stage or if there is a risk of developing ovarian hyper-stimulation syndrome (OHSS), a woman undergoing IVF treatment may be advised to freeze all her embryos and not transfer any immediately.
It is increasingly common for fertility specialists to recommend freezing all of a patient’s embryos, as the more natural environment in the uterus during a later cycle may offer a better chance of establishing a pregnancy.
Freezing embryos is also an option for a woman who wants to postpone pregnancy until her late 30s or early 40s, but understands that her own eggs may not be suitable by then.

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The program includes:

Consultations of the reproductive specialist
Stimulation protocol creation
Thawing of embryos
Cultivation of embryos
Assisted hatching
Embryo transfer
Patient coordination and medical support from the first contact and up to 12 week of pregnancy

Frozen embryo transfer (FET) is one of the most common methods used in in vitro fertilization (IVF) programs. This procedure involves the use of embryos that were obtained during a previous IVF cycle, frozen using a vitrification method, and stored for future use. Frozen embryo transfer has its own unique characteristics that make it an effective and convenient option for many couples.

FET is a procedure in which embryos previously frozen in a laboratory are thawed and transferred into the woman’s uterus during the optimal phase of her menstrual cycle. Unlike a fresh cycle, a frozen transfer is not associated with ovarian stimulation in the current cycle, allowing for better preparation of the endometrium for implantation.

Advantages of frozen embryo transfer

FET offers a number of benefits that make it an appealing option for many patients:

Higher success rates. Studies show that frozen embryo transfers often result in higher implantation rates, as the uterus is not affected by the hormonal stimulation typically used in fresh cycles.
Flexibility in scheduling. Patients can choose the most suitable time for the procedure, which is especially important for those who need additional treatment or recovery.
Less stress on the body. Since there is no need for repeated ovarian stimulation, the procedure is less invasive and gentler on the body.
Possibility of genetic testing. Before freezing, embryos can undergo preimplantation genetic diagnosis (PGD), which reduces the risk of genetic abnormalities.

In addition, modern vitrification methods ensure the survival rate of embryos at 95-98%, making this method both reliable and safe.

The frozen embryo transfer Procedure

The frozen embryo transfer procedure is relatively straightforward and does not require general anesthesia. It involves several stages:

Thawing the embryos. Embryos frozen through vitrification are carefully thawed in the laboratory under the supervision of a specialist. Modern technology ensures up to 95% survival of embryos after thawing.
Transfer. Using a thin catheter, the embryo is inserted into the uterine cavity under ultrasound guidance. The procedure takes only a few minutes and is painless.
Rest. A short rest period is recommended after the transfer, although strict bed rest is not necessary. Patients can return to their normal daily routine, while avoiding excessive physical activity.

A pregnancy test is performed 10–14 days after the transfer. If the result is positive, an ultrasound scan is scheduled 2–3 weeks later to confirm the pregnancy.

Frozen embryo transfer is an effective and flexible method that offers new possibilities for couples dreaming of parenthood. Thanks to modern technologies and the professional approach of the reproductive medicine clinic Alternatyva Ovumia Group, this process becomes not only successful but also comfortable for patients. If you are considering FET as part of your journey to pregnancy, consult with a specialist — it’s the first step toward making your dream come true.

Virtual consultation

After you will fill our form, our coordinator and doctor will contact you via video call and you will discuss with team your treatment plan and all questions.
Also together we will choose the best type of program for you.
Examinations before the program

You will need to do examinations that doctor recommended at first consultation. After all examinations will be done, doctor will confirm treatment plan and dates for your program
Monitoring scans

You will have stimulation protocol dusting what you should do US scans and send our coordinator. Doctor will check them and will confirm dates of program.
This scans can be done at home or in your clinic.
IVF program with Embryo Transfer

According to type of your program in this stage you will have Embryo Transfer. During this procedures you will be under doctor control in your clinic.
Pregnancy test

14 days after Embryo Transfer you should do HCG test. After results you will have short consultation where you will discuss next steps.