Cryopreservation

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Fertility preservation also known as Cryopreservation is of mainly five kinds:

  • Sperm Freezing: Sperm freezing is the best technique where sperms can be frozen to be used at a later point in time, or for temporary use during IUI and IVF if the husband is likely to be unavailable exactly around the time of the procedure, and also in cases of Donor samples where the sperm is frozen and then used.
  • Egg Freezing: Egg freezing is a technique for protecting a woman’s fertility so she can attempt and have kids in the future. Women who do not want to plan pregnancy immediately or in the near future can freeze their eggs for later use. It requires stimulation of ovaries and retrieval of the eggs like in IVF, but these eggs are then just frozen without being fertilized.
  • Embryo Freezing: Usually, excess embryos that are formed during an IVF treatment are frozen for later use if needed. The same embryos can also be used to plan a second pregnancy after a previous successful IVF pregnancy. Couples may also sometimes choose to have embryos frozen to plan pregnancy later.
  • Testicular Tissue Freezing – Testicular tissue freezing is a fertility preservation method for boys who cannot produce sperm, often due to prepubertal status or malignancies requiring treatments like chemotherapy. The tissue is frozen for future use, with the hope of restoring fertility or sperm production once cancer treatment is complete.
  • Ovarian Tissue Freezing –Ovarian tissue freezing is used to preserve fertility in girls or women undergoing treatments for malignancies that may damage the ovaries, such as chemotherapy and radiotherapy. The tissue, containing immature eggs, is frozen and can be transplanted later to restore hormonal function or fertility.
  • Laparoscopy – It is a surgical procedure that involves making one, two or three very small cuts in the abdomen, through which the doctor inserts a laparoscope and specialized surgical instruments.
  • Hysteroscopy – Hysteroscopy is the visual examination of the canal of the cervix and interior of the uterus using a thin, lighted, flexible tube called a Hysteroscope. The device is inserted through the vagina.

Who Should Opt for Cryopreservation:

  1. Individuals undergoing fertility-impacting treatments (e.g., chemotherapy).

  2. Couples with surplus embryos after IVF.

  3. Women who wish to delay pregnancy (social or medical reasons).

  4. Men with declining sperm quality or pre-surgery.

  5. Patients wanting to preserve fertility before gender transition.


Benefits of Cryopreservation:

  1. Preserves fertility for future use.

  2. Allows multiple IVF attempts from one egg retrieval.

  3. Reduces need for repeated stimulation cycles.

  4. Increases flexibility in planning pregnancy.

  5. Supports fertility preservation in medical and personal scenarios.