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Preserving embryos for future use

Embryo Freezing (Embryo Cryopreservation)

Embryo freezing, or cryopreservation, is a fertility preservation option used to store embryos created during an IVF or ICSI cycle for future use. High-quality embryos that are not transferred in the same cycle may be frozen and stored, allowing couples to preserve the possibility of pregnancy at a later time. Embryo freezing is also used in cases where a frozen embryo transfer (FET) is medically recommended in a subsequent cycle.

A transparent sphere decorated with snowflakes
From Cycle to Storage

What to Expect

A connected sequence of treatment steps from the first consultation through follow-up.

  1. IVF or ICSI Cycle

    Embryo freezing begins with a standard IVF or ICSI cycle — ovarian stimulation, egg retrieval, and fertilization in our embryology lab.

    Ovarian stimulation. An ovary in which several follicles have been encouraged to grow together, at a range of sizes.
    several follicles, encouraged together
  2. Embryo Development & Assessment

    Fertilized eggs are cultured for several days. Our embryologists monitor development closely and assess which embryos are suitable for transfer or freezing.

    Diagnostic workup. A sample taken for testing, beside results plotted over time.
    tests that explain, not just measure
  3. Vitrification

    Embryos selected for storage are frozen using vitrification — an ultra-rapid flash-freezing technique that minimizes ice crystal formation and maximizes the chance of successful thawing later.

    Freezing and storage. A storage straw holding a preserved cell, kept safely until it is needed.
    held safely, for as long as needed
  4. Secure Long-Term Storage

    Frozen embryos are stored in individually labelled, temperature-controlled containers in our secure lab. Storage records are maintained with strict chain-of-custody protocols.

    Consultation. Two seats facing each other across a small round table.
    a conversation, first
  5. Frozen Embryo Transfer (FET)

    When you are ready for your next cycle, the embryo is carefully thawed and transferred. Your care team prepares your body for transfer and guides you through the process from start to finish.

    Embryo transfer. An embryo being placed within the uterus through a fine catheter passed via the cervix.
    a quiet, few-minute step

Understand the Wa'ad Bnoon Program

Embryo freezing, or cryopreservation, is a fertility preservation option used to store embryos created during an IVF or ICSI cycle for future use. High-quality embryos that are not transferred in the same cycle may be frozen and stored, allowing couples to preserve the possibility of pregnancy at a later time. Embryo freezing is also used in cases where a frozen embryo transfer (FET) is medically recommended in a subsequent cycle.

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Patient stories

Heard from Embryo Freezing patients

Patient stories — coming soon

Real patient stories will be shared here once our patients have given their consent. Every story published on this page will be genuine, unedited, and shared with full permission.

Editorial note — Bnoon

We believe patient voices are among the most powerful guides for families beginning their fertility journey. These spaces are reserved for real experiences, shared in the patients’ own words.

Editorial note — Bnoon

Common Questions About Embryo Freezing

The information on this page is for educational purposes only and does not constitute medical advice. Specific treatment options, protocols, and expected outcomes vary between patients and will be discussed in detail during your consultation with a Bnoon specialist.