Egg freezing can be the best option to preserve fertility by freezing the eggs when the woman is young and eggs are of the highest quality. Egg freezing, also known as mature Oocyte cryopreservation, is a method used to save a woman's ability to get pregnant in the future. It involves collecting a woman's eggs, freezing them and then processes them, so they can be used later for conception.
Besides Fertility Preservation for social or personal reasons to delay childbearing, there can be many reasons for Cryopreservation of the Oocytes, if woman is undergoing critical medical treatment such as chemotherapy or pelvic radiation therapy, it may affect fertility. Surgeries may also cause damage to the ovaries. She may be dealing with some ovarian disease which has the risk of damage to the ovaries. She may have a risk of premature ovarian failure because of Syndrome conditions or family history of early menopause.
In this process eggs are stored at very low temperatures (-3000 C) to maintain their viability.