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Sperm freezing

Preserve your fertility for the future

What is sperm freezing?

When is sperm freezing recommended?

  • Before medical treatments that may damage fertility, such as chemotherapy, radiotherapy, genitourinary surgeries, or for transgender women.
  • Elective preservation, for men who wish to postpone fatherhood without compromising sperm quality.
  • Severe semen alterations detected in previous analyses that may worsen over time.
  • Difficulty obtaining a sample on the day of assisted reproduction treatment (stress, travel, erectile dysfunction).
  • Sperm donation, as part of assisted reproduction programs.

How is sperm freezing performed?

Sample collection

Normally by masturbation at the clinic.

Analysis in the andrology laboratory

Assessment of sperm concentration, motility, and morphology.

Processing and cryopreservation

Sperm is mixed with a protective medium and frozen in liquid nitrogen at –196ºC.

Storage in a sperm bank

Sperm remains stable indefinitely until it is needed.

Advantages of sperm freezing

  • A fast and simple technique with no side effects.
  • Allows fertility preservation before aggressive medical treatments.
  • Possibility to delay fatherhood.
  • Guarantees the availability of high-quality samples for future assisted reproduction treatments.
Use of frozen sperm in assisted reproduction

Frozen sperm can be used in different assisted reproduction techniques:

Frequently asked questions about sperm freezing

How long can frozen sperm be stored?
Is sperm quality affected by freezing?
In the case of a severe semen alteration, can one proceed directly to in vitro fertilization with ICSI?
How will frozen sperm be used in the future?
In the case of a severe semen alteration, can one proceed directly to in vitro fertilization with ICSI?

Take the first step

At Institut Marquès, we have a specialized andrology laboratory and a high-security sperm bank.
With our sperm freezing program, you can preserve your fertility with the peace of mind of knowing that your samples will be available whenever you need them.

Book your first free consultation and secure your fertility for the future.