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Cryopreservation is a technique used to freeze and then thaw eggs, embryos or sperm for use in in vitro fertilization (IVF) cycles. Thawed sperm may also be used in IUI (intrauterine insemination) treatment cycles. Since 1983, the cryopreservation procedure has resulted in the birth of thousands of babies worldwide. Extended periods of storage have no apparent effect on their viability. Embryos thawed after several years of cryostorage fare as well as those frozen for only one or two months

Why is embryo cryopreservation done?

when is sperm Cryopreservation done?

Sperm cryopreservation, also known as sperm freezing, is typically done when individuals wish to preserve their sperm for future use. There are several common scenarios in which sperm cryopreservation is performed:

  • Fertility preservation

    Men who are about to undergo treatments or procedures that may affect their fertility, such as chemotherapy, radiation therapy, or surgery, may choose to freeze their sperm beforehand to preserve their reproductive potential.

  • Assisted reproductive technologies (ART)

    Sperm freezing is often a part of in vitro fertilization (IVF) or other ART procedures. This allows men to provide a sample of sperm that can be used for future fertilization attempts if needed.

  • Military deployment or travel

    Individuals who are entering military service or embarking on extended travel may opt to freeze their sperm before leaving to ensure they have options for family planning when they return.

  • Vasectomy

    Some men choose to freeze their sperm before undergoing a vasectomy as a precautionary measure, in case they decide to have children in the future.

When is Oocyte Cryopreservation done ?

Oocyte cryopreservation, or egg freezing, is typically done at specific stages in a woman’s life or in certain medical situations. Here are the common scenarios in which oocyte cryopreservation is performed:
  • Fertility preservation

    Women who are facing medical treatments that may compromise their fertility, such as chemotherapy or radiation therapy, may choose to freeze their eggs before starting the treatment. This allows them to preserve their fertility potential and have the option of using their eggs for future conception after their treatment is completed.

  • Elective fertility preservation

    Some women choose to freeze their eggs for non-medical reasons, often referred to as elective or social egg freezing. This can occur when women want to delay childbearing for personal or professional reasons, ensuring that they have a better chance of conceiving with their own eggs later in life.

  • Assisted reproductive technologies (ART)

    Oocyte cryopreservation is an integral part of in vitro fertilization (IVF) treatments. It allows women to produce multiple eggs during an IVF cycle, which are then retrieved and frozen for future use. This is beneficial for women who may require multiple attempts at conception or want to ensure a backup supply of eggs.

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