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. In order to retrieve eggs for freezing, the patient will undergo the same hormone-injection process as in-vitro fertilization then once the eggs are retrieved they are frozen.
When the patient decides to attempt pregnancy, the eggs are thawed, fertilized and transferred to the uterus as embryos. It takes around two weeks to complete egg freezing cycle.
Egg freezing can be beneficial for a number of reasons including women diagnosed with cancer, women who want or need to delay childbearing in order to pursue education, career or other personal goals or for couples with an objection to storing frozen embryos for religious or moral reasons.
Sperm freezing is a process of cryopreserving and storing the sperms for future use. It is used for men who want to have children after having the treatment that may cause infertility such as cancer treatments.