How to Become a Donor

Below you can find information on how to become a sperm donor.

Before sending in your application, you should first read all subpages in this section. It is particularly important that you decide which type of sperm donor you want to be: Anonymous or Non-Anonymous and Basic or Extended profile.

If Cryos would like you to continue in the application process, you will receive an email from us within a couple of business days from submitting your application.

Initial Sperm Tests

Once you have sent your application to become a sperm donor, and assuming you are called in, the next step is to deposit up to three sperm samples. You may call in at any time during our Donation Hours.

To ensure good Sperm Quality, please abstain from ejaculation at least 48 hours prior to depositing. The actual semen sample is collected at Cryos.


No later than after the third sample, a decision will be made as to whether the Sperm Quality meets our approval criteria. If your sperm quality is approved, you will be asked to sign a donor agreement in which you state whether you want to be a Non-Anonymous or Anonymous donor with either a Basic or an Extended profile. You will then be registered in our database.

Medical Examination and Approval

Once your second registered ejaculate has been approved, you will be asked to attend a medical examination and complete a medical history questionnaire. The doctor will go through the questionnaire, carry out a physical and psychological examination and take urine and blood samples. The doctor will note down your characteristics (race/ethnicity, height, weight, hair color, eye color, education/profession etc.). The doctor will then make a preliminary approval. Once the results of the blood and urine tests are processed, you will receive a final approval.

Remember to bring your passport or drivers’ licence as ID!

Quarantine before your sperm is released

As an approved sperm donor, you must deposit at least 10 approved samples (= a ‘batch’). When this is done, you will be called for a medical examination. The process will be repeated again after six months. Only then can your sperm be released for use. When your first batch is finished, you simply begin a new one. Most sperm donors are active for 1-2 years.

Did you find the answers to your questions?

If not, please Contact Us and we will do our best to help you.