Embryo freezing is an important and safe part of modern fertility care. By freezing good quality embryos, pregnancy attempts can continue at a later stage without the need for new hormone stimulation or egg retrieval. This also increases the overall chance of having a child per egg retrieval, known as the cumulative pregnancy rate.
Our specialists are here for you. You are warmly welcome to book an appointment.
During IVF treatment, all mature eggs that are retrieved are usually fertilised. After fertilisation, we closely monitor embryo development and select the embryo best suited for a so called fresh transfer.
Any remaining good quality embryos are frozen for future attempts, something that clearly increases the overall chances of having a child over time.
In modern fertility care, one embryo is transferred at a time, and frozen embryos can be safely stored for many years.
Embryo freezing is recommended:
Embryo freezing provides flexibility and reassurance, you can plan a new attempt when it best fits your life situation.
Embryos that are not used in the fresh transfer and are assessed as being of good quality are frozen using a method called vitrification.
Vitrification is a very rapid and gentle freezing technique that protects the embryo from ice crystal formation and preserves its structure and quality.
The embryos are stored in liquid nitrogen at –196 °C under carefully controlled conditions.
This allows embryos to be safely stored for many years without deterioration.
Vitrification is also used for freezing eggs and sperm.
A frozen embryo transfer can be performed in:
We choose the approach that best suits your body and your individual situation.
Today’s freezing techniques are highly effective.
At our clinics, more than 90% of embryos survive thawing, and around 50% of frozen embryo transfers result in pregnancy.
In many cases, outcomes are just as good as or even better than those achieved with fresh transfers.
Success is influenced by factors such as:
If you are considering fertility treatment or would like to better understand how embryos are frozen and transferred, you are warmly welcome to contact us.
At your first appointment, the physician will review your medical history, listen to your wishes, and explain which options are most suitable for you.
In Ovumia, we are always ready to help you!
Yes. Pregnancy outcomes are often comparable to those achieved with fresh embryo transfers and, in some situations, may even be better—particularly when the embryo quality is good and the uterine lining has been carefully prepared for the transfer.
The use of frozen embryos makes it possible to attempt pregnancy without undergoing a new cycle of ovarian hormone stimulation or egg retrieval.
Embryos can be stored frozen for several years. This makes it possible to plan the timing of embryo transfer flexibly to suit one’s personal life situation and family planning goals.
If more good-quality embryos develop, they can be frozen for future use. These embryos can later be used for another pregnancy attempt without repeating the full treatment process.
