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Oocyte Cryopreservation

Egg freezing, or oocyte cryopreservation, is a process in which a woman's eggs (oocytes) are extracted, frozen and stored as a method to preserve reproductive potential in women of reproductive age. Oocyte cryopreservation has advanced greatly over the past few years, with improved overall success of eggs surviving the freezing process.

Who Needs Egg (oocyte) Freezing?

Cryopreservation of the oocytes can be considered for a variety of reasons:

  • Women with cancer requiring chemotherapy and/or pelvic radiation therapy that may affect fertility.
  • Surgery that may cause damage to the ovaries.
  • Risk of premature ovarian failure because of chromosomal abnormalities (e.g. Turner syndrome, fragile X syndrome), or family history of early menopause.
  • Ovarian disease with risk of damage to the ovaries.
  • Genetic mutations requiring removing the ovaries (e.g. BRCA mutation).
  • Fertility preservation for social or personal reasons to delay childbearing.