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Treatments
Fertility Preservation
Egg freezing allows women to postpone childbearing while keeping their ability to become pregnant in the future intact.
Free first visit
Treatments
Fertility Preservation
Egg freezing allows women to postpone childbearing while keeping their ability to become pregnant in the future intact.
Free first visit

Fertility Preservation
What is egg freezing and what is it used for?
Fertility preservation is a technique that allows women to preserve their eggs so that they can use them when they choose, with the same likelihood of success as when they were preserved.
Vitrification – commonly known as freezing – of eggs is a fertility treatment by which a woman’s eggs are extracted. After retrieval, the eggs are stored at low temperatures to keep their reproductive potential intact.
In this way, when the woman wants to be a mother in the future, she will have the same chances of becoming pregnant as she would have had at the time of freezing.
If, on the other hand, a woman decides to become a mother when the quality and quantity of her eggs is too low, she will have to resort to a technique known as egg donation. That is, she will need the eggs of a donor. Egg vitrification therefore allows a woman to become pregnant with her own eggs.


Fertility Preservation
What is egg freezing and what is it used for?
Fertility preservation is a technique that allows women to preserve their eggs so that they can use them when they choose, with the same likelihood of success as when they were preserved.
Vitrification – commonly known as freezing – of eggs is a fertility treatment by which a woman’s eggs are extracted. After retrieval, the eggs are stored at low temperatures to keep their reproductive potential intact.
In this way, when the woman wants to be a mother in the future, she will have the same chances of becoming pregnant as she would have had at the time of freezing.
If, on the other hand, a woman decides to become a mother when the quality and quantity of her eggs is too low, she will have to resort to a technique known as egg donation. That is, she will need the eggs of a donor. Egg vitrification therefore allows a woman to become pregnant with her own eggs.
Fertility Preservation

In which cases is it indicated?
Egg freezing is a treatment designed for women who want to have children in the future, but have not yet found the right time to become mothers.
In addition, egg freezing is a highly recommended technique for all those women who still do not know if they want to be mothers. Thanks to the treatment, they will be able to preserve their reproductive capacities in case one day they decide to be.
Finally, egg vitrification is especially useful for women who have a pathology or disorder that compromises their fertility: polycystic ovary syndrome, endometriosis, cancer that requires radiotherapy or chemotherapy, etc.
What is the best age to freeze eggs?
Currently, most women are freezing their eggs later than recommended, which decreases the chances of future pregnancy.
This is because both the quality and quantity of eggs decline over the years. In addition, this loss becomes more noticeable after 35 years. For this reason, our recommendation is to freeze the eggs as soon as possible: before the age of 34-35.
Vitrification can also be carried out on women over 36 years of age. In fact, today it is common for our centers to successfully treat patients around 40 years of age.
However, in these cases it will be necessary to assess the woman’s ovarian reserve beforehand to assess the chances of future pregnancy.
How long can eggs be frozen?
Vitrified eggs do not “expire”. Therefore, they can be kept indefinitely until the woman wants to be a mother, without time affecting the chances of future pregnancy.
Since you can keep your eggs for as long as you want, we recommend that you carry out the treatment as soon as possible. Keep in mind that a frozen egg at 33 is better than a “fresh” one at 40.
What is the pregnancy rate of the treatment?
The reproductive prognosis of each woman depends, fundamentally, on the quality and quantity of the ovules that are extracted. At this point, it is necessary to take into account that egg vitrification does not, by itself, guarantee a future pregnancy.
What egg freezing does allow is that the woman has, in the future, the same chances of pregnancy that she would have had at the time of preservation. This is because, once they are vitrified, the properties of the ovules remain intact.
Therefore, egg freezing increases the chances of achieving pregnancy through in vitro fertilization treatment.
That said, we can say that the success rates of IVF with vitrified eggs are similar to those obtained with fresh eggs. This pregnancy rate is around 60%.
Fertility Preservation
How is the process to vitrify ovules?
The egg freezing procedure mainly covers four phases:
Gynecological study
Our gynecologists perform a series of gynecological tests and examinations on women:
● Blood analysis: focuses on providing information on key aspects that affect fertility:
- Anti-Müllerian hormone: measures the patient’s ovarian reserve.
- Karyotype: analyzes the possible genetic alterations of future embryos.
- Hemogram: evaluates red and white blood cells and platelets to assess the woman’s health status.
- Coagulation: it serves to check that the patient coagulates well and, therefore, can undergo egg retrieval. In addition, it is studied if there are alterations in coagulation that complicate a future pregnancy.
● Ultrasound: serves to provide more information on the ovarian reserve, which is especially important when it is over 35 years old.
Ovarian stimulation
After the tests, the woman must apply an injected medication at home to stimulate the development of multiple eggs. This treatment lasts approximately 10 to 12 days.
Follicular puncture
After the ovarian stimulation phase, a small surgical intervention is performed in which the woman’s eggs are extracted. This intervention is carried out in the clinic, under sedation and lasts approximately 15-20 minutes. After a period of rest, the patient can continue with her usual routine that same day.
Vitrification
Once extracted, the ovules are vitrified. Vitrification is a rapid freezing technique that stops the biological activity of the ovules and prevents the formation of ice crystals, which could damage them. In this way, the eggs are available so that the woman can use them whenever she wants.
From
2.800€
Free first visit
Up to 24 monthly installments of €118
0%
from
interest
Possibility to adapt payments to your needs
Representative example for a loan of €2,850 over a period of 24 months. Cash price €2,850 TIN 0%, APR 0%. 24 installments of €118.75. Total amount financed: €2,850. Total price in installments and total amount owed: €2,850. Financing offered by Sabadell Consumer Finance and subject to your approval
From
2.850€
Up to 24 monthly installments of €118
0%
from
interest
Possibility to adapt payments to your needs
Representative example for a loan of €2,850 over a period of 24 months. Cash price €2,850 TIN 0%, APR 0%. 24 installments of €118.75. Total amount financed: €2,850. Total price in installments and total amount owed: €2,850. Financing offered by Sabadell Consumer Finance and subject to your approval
“Gracias a la experiencia de los doctores nos sentimos muy tranquilos y los resultados fueron muy satisfactorios”
Alejandro y Ana María
Barcelona, España
Muy agradecidas por el trato recibido desde el primer dia. Ha sido una experiencia increible que no dudaremos en volver a repetir! Gracias!
Raquel y Laura
Barcelona, España
Molt agraida per tot el suport durant el tractament. Sempre disponibles en cas de qualsevol dubte. Moltes gracies Centro de Fertilidad Barcelona!
Miriam i Pep
Girona, España
Testimonials
Patients’
stories
Read our patients’ testimonials about this method.
Testimonials
Patients’ stories
Read our patients’ testimonials about this method.
“Gracias a la experiencia de los doctores nos sentimos muy tranquilos y los resultados fueron muy satisfactorios”
Alejandro y Ana María
Barcelona, España
Muy agradecidas por el trato recibido desde el primer dia. Ha sido una experiencia increible que no dudaremos en volver a repetir! Gracias!
Raquel y Laura
Barcelona, España
Molt agraida per tot el suport durant el tractament. Sempre disponibles en cas de qualsevol dubte. Moltes gracies Centro de Fertilidad Barcelona!
Miriam i Pep
Girona, España
Frequent questions
Currently, Spanish legislation does not contemplate an age limit in fertility preservation techniques. However, our recommendation is to carry out the treatment before the age of 45. From that age, the chances of future pregnancy would be almost nil.
Currently, Social Security only covers egg freezing in patients who are undergoing cancer treatment. However, public health does not offer this technique to women who wish to postpone their motherhood by choice.
Like any medical treatment, egg freezing can cause certain side effects in some women. After the operation to retrieve the eggs, the woman may experience abdominal pain, vaginal bleeding or difficulty urinating.
The fact that the woman has a good previous state of health (non-smoker, adequate weight…) will reduce the chances of experiencing side effects. However, the most frequent disorders experienced during treatment are those of psychological origin (anxiety, depression…).
The conservation of the ovules has an approximate price of 250 euros per year.
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