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Sperm freezing
Sperm freezing is the most effective method of preserving male fertility, enabling future attempts to have children. Although male fertility declines more slowly than female fertility, this option can provide peace of mind and a sense of security for those who plan to postpone parenthood until later.
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What is sperm freezing?
Sperm freezing, also known as sperm cryopreservation/cryopreservation, is the process of collecting, cooling and safely storing semen.
Frozen sperm samples can be used in treatment cycles such as IUI and IVF, giving you the opportunity to start a family when the time is right for you.
Who should consider freezing their sperm?
Sperm freezing is particularly recommended for men of reproductive age who are facing health or life decisions that may affect their fertility. The decision to freeze sperm is especially worth considering when:
You plan to postpone parenthood until later – if you want to be sure that you will be able to have children in the future, even if the quality of your sperm deteriorates over time.
You are undergoing cancer treatment or other fertility-damaging therapy – chemotherapy, radiotherapy or other drugs can permanently damage reproductive cells; freezing your sperm allows you to retain the possibility of having your own children after treatment.
You have been diagnosed with a disease or are scheduled for urological surgery – some conditions or operations can lead to infertility, so it is worth securing your sperm in advance.
You have difficulty donating sperm or your sperm parameters are very low – sperm freezing facilitates subsequent infertility treatment by insemination or in vitro fertilisation.
You cannot be present on the day of insemination or in vitro fertilisation – frozen sperm allows the procedure to be carried out at a convenient time.
You want to have a ‘policy for the future’ – even if you do not currently have fertility problems, freezing your sperm increases your chances of becoming a father in the future, even if difficulties arise.
What is the procedure for donating and freezing sperm?
The process of freezing sperm is relatively simple – we only need a few samples of fresh semen for testing and freezing.
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Sperm analysis and screening tests
First, we will perform a semen analysis (seminogram) to assess whether you have viable sperm for freezing. We will also screen for any infectious diseases, such as HIV or hepatitis C. The results of these screenings will not prevent you from freezing your semen, but will ensure that any semen samples affected by disease are stored separately from others to prevent contamination.
Submitting a semen sample
After these tests, you will need to provide a fresh semen sample, which will be frozen. In most cases, you will need to visit your chosen TFP Fertility clinic, where you will provide the sample in one of our rooms, where you will be provided with comfortable conditions. If this causes you anxiety, you also have the option of collecting the sample at home – we only ask that you bring it back to the clinic within an hour (it must also be kept at the correct temperature during transport – preferably 37°C).
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Sperm freezing
Once we have a semen sample, it is mixed with a cryoprotectant to protect the sperm from damage during freezing.
Before freezing, the sperm sample is divided into separate containers so that it can be used in multiple procedures if necessary. The samples are then rapidly cooled using a method called vitrification and safely stored in liquid nitrogen tanks.
Are you considering freezing your sperm? Let's talk.
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Sperm freezing – frequently asked questions
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Being aware of your plans, you can take certain actions right now.
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Effectiveness and safety of sperm freezing
Sperm freezing is an effective and safe method that allows men to preserve their fertility for the future. It has been used for many years in both reproductive medicine and oncology, and its safety and effectiveness have been confirmed by numerous clinical studies. The procedure involves freezing a semen sample at -196°C using cryoprotective agents that protect the sperm during the freezing and thawing process. This allows the semen to be stored for many years without significant deterioration in its quality or fertilisation capacity. It is estimated that on average about 50% of sperm survive the freezing process, which, under normal parameters, does not adversely affect the chances of fertilisation. It is also important to note that the length of storage does not affect the usability of the sample – in clinical practice, successful pregnancies and the birth of healthy children have been documented even after several or several dozen years of freezing.
Frozen sperm can be successfully used in assisted reproduction procedures – from intrauterine insemination to in vitro fertilisation (IVF/ICSI). The effectiveness of treatment using frozen sperm depends primarily on the quality of the semen at the time of sample collection.
Frozen sperm can be successfully used in assisted reproduction procedures – from intrauterine insemination to in vitro fertilisation (IVF/ICSI). The effectiveness of treatment using frozen sperm depends primarily on the quality of the semen at the time of sample collection.
The available scientific data clearly indicate that children born using frozen sperm are just as healthy as those conceived naturally. There is no increased risk of birth defects, perinatal complications or developmental delays.
The freezing procedure itself is quick, non-invasive and completely safe. It involves donating a semen sample in comfortable conditions, followed by its proper preparation and freezing in a laboratory.
How can we help you?
If you are unsure whether sperm freezing is the right solution for you, or if you have questions that you cannot find answers to, our Patient Support Team is at your disposal.
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