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Embryo Transfer

Embryo transfer is one of the most important moments in the process of assisted reproduction. What does the transfer of an embryo into the uterus involve, and how is it performed?

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What is embryo transfer?

Embryo transfer (often abbreviated as ET) is the final phase of the in vitro fertilization (IVF) cycle. It involves the transfer of an embryo – a fertilized egg – back into the woman’s uterus, where implantation and subsequent pregnancy may occur.
After fertilization of the egg with sperm in the laboratory (in vitro), the resulting embryo is cultured for several days. Depending on the quality of the embryos and other medical factors, the doctor chooses the optimal time for the transfer – usually on the 5th day of embryo development.

How does the embryo transfer procedure work?

The procedure is generally quick and painless. Most women tolerate it well, and anesthesia is typically not required. The entire process takes only a few minutes:

1. Preparing the patient

The woman lies comfortably on a gynecological examination chair, similar to a standard check-up.

2. Transferring the embryo

The doctor inserts the embryo into the uterine cavity using a thin catheter. The entire procedure is guided by ultrasound.

3. Short rest

After the procedure, the patient usually rests for a few minutes and can then go home.

After the transfer, the doctor typically recommends hormonal support, especially in the form of progesterone, which helps with implantation.

How many embryos are transferred?

According to recommendations from medical associations and for the safety of the pregnancy, it is now most common to transfer only one embryo. This approach reduces the risk of multiple pregnancies while maintaining a high chance of successful conception.

What influences the success of embryo transfer?

Success depends on several factors:

Quality of the embryo

Condition of the uterine lining

Age of the woman

Timing of the transfer

When will I know if the transfer was successful?

About 14 days after embryo transfer, we recommend a blood test to measure the level of the pregnancy hormone hCG. This lab test is the most accurate method to confirm whether implantation has occurred.
Although embryo transfers are part of our daily practice, we approach each case with the utmost care and respect. Thanks to years of experience, you can rest assured you are in good hands.

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